숫자 21357840
소인수분해
소인수분해 | 2 * 2 * 2 * 2 * 3 * 5 * 7 * 12713 |
약수 | 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12713, 25426, 38139, 50852, 63565, 76278, 88991, 101704, 127130, 152556, 177982, 190695, 203408, 254260, 266973, 305112, 355964, 381390, 444955, 508520, 533946, 610224, 711928, 762780, 889910, 1017040, 1067892, 1334865, 1423856, 1525560, 1779820, 2135784, 2669730, 3051120, 3559640, 4271568, 5339460, 7119280, 10678920, 21357840 |
약수의 개수 | 80 |
약수의 합 | 75673728 |
성질
표기
바이너리 | 1010001011110010100010000 |
8진수 | 121362420 |
16진수 | 145e510 |