21754220545

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{973561}}^1$

素因数の和:973716

約数の個数: 16

約数和(自身を含む): 26987138640

約数和(自身を除く): 5232918095

約数列:

[1, 5, 41, 109, 205, 545, 4469, 22345, 973561, 4867805, 39916001, 106118149, 199580005, 530590745, 4350844109, 21754220545]

約数ペア:

[(1, 21754220545), (5, 4350844109), (41, 530590745), (109, 199580005), (205, 106118149), (545, 39916001), (4469, 4867805), (22345, 973561)]