21240502

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{1481}}^1$

素因数の和:1655

約数の個数: 16

約数和(自身を含む): 32651424

約数和(自身を除く): 11410922

約数列:

[1, 2, 71, 101, 142, 202, 1481, 2962, 7171, 14342, 105151, 149581, 210302, 299162, 10620251, 21240502]

約数ペア:

[(1, 21240502), (2, 10620251), (71, 299162), (101, 210302), (142, 149581), (202, 105151), (1481, 14342), (2962, 7171)]