숫자 21231645
소인수분해
소인수분해 | 3 * 5 * 19 * 23 * 41 * 79 |
약수 | 1, 3, 5, 15, 19, 23, 41, 57, 69, 79, 95, 115, 123, 205, 237, 285, 345, 395, 437, 615, 779, 943, 1185, 1311, 1501, 1817, 2185, 2337, 2829, 3239, 3895, 4503, 4715, 5451, 6555, 7505, 9085, 9717, 11685, 14145, 16195, 17917, 22515, 27255, 34523, 48585, 53751, 61541, 74497, 89585, 103569, 172615, 184623, 223491, 268755, 307705, 372485, 517845, 923115, 1117455, 1415443, 4246329, 7077215, 21231645 |
약수의 개수 | 64 |
약수의 합 | 38707200 |
성질
표기
바이너리 | 1010000111111100000011101 |
8진수 | 120774035 |
16진수 | 143f81d |