21712108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{493457}}^1$

素因数の和:493472

約数の個数: 12

約数和(自身を含む): 41450472

約数和(自身を除く): 19738364

約数列:

[1, 2, 4, 11, 22, 44, 493457, 986914, 1973828, 5428027, 10856054, 21712108]

約数ペア:

[(1, 21712108), (2, 10856054), (4, 5428027), (11, 1973828), (22, 986914), (44, 493457)]