숫자 21357180
소인수분해
소인수분해 | 2 * 2 * 3 * 3 * 5 * 13 * 9127 |
약수 | 1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 9127, 18254, 27381, 36508, 45635, 54762, 82143, 91270, 109524, 118651, 136905, 164286, 182540, 237302, 273810, 328572, 355953, 410715, 474604, 547620, 593255, 711906, 821430, 1067859, 1186510, 1423812, 1642860, 1779765, 2135718, 2373020, 3559530, 4271436, 5339295, 7119060, 10678590, 21357180 |
약수의 개수 | 72 |
약수의 합 | 69774432 |
성질
표기
바이너리 | 1010001011110001001111100 |
8진수 | 121361174 |
16진수 | 145e27c |