21806798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11813}}^1$

素因数の和:11899

約数の個数: 16

約数和(自身を含む): 35725536

約数和(自身を除く): 13918738

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11813, 23626, 153569, 307138, 838723, 1677446, 10903399, 21806798]

約数ペア:

[(1, 21806798), (2, 10903399), (13, 1677446), (26, 838723), (71, 307138), (142, 153569), (923, 23626), (1846, 11813)]