21538536

素因数分解:

$2^3\times 3^1\times {\mathrm{103}}^1\times {\mathrm{8713}}^1$

素因数の和:8825

約数の個数: 32

約数和(自身を含む): 54375360

約数和(自身を除く): 32836824

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 103, 206, 309, 412, 618, 824, 1236, 2472, 8713, 17426, 26139, 34852, 52278, 69704, 104556, 209112, 897439, 1794878, 2692317, 3589756, 5384634, 7179512, 10769268, 21538536]

約数ペア:

[(1, 21538536), (2, 10769268), (3, 7179512), (4, 5384634), (6, 3589756), (8, 2692317), (12, 1794878), (24, 897439), (103, 209112), (206, 104556), (309, 69704), (412, 52278), (618, 34852), (824, 26139), (1236, 17426), (2472, 8713)]