21732890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{74941}}^1$

素因数の和:74977

約数の個数: 16

約数和(自身を含む): 40468680

約数和(自身を除く): 18735790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 74941, 149882, 374705, 749410, 2173289, 4346578, 10866445, 21732890]

約数ペア:

[(1, 21732890), (2, 10866445), (5, 4346578), (10, 2173289), (29, 749410), (58, 374705), (145, 149882), (290, 74941)]