21481382

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{2381}}^1$

素因数の和:2743

約数の個数: 16

約数和(自身を含む): 34815312

約数和(自身を除く): 13333930

約数列:

[1, 2, 13, 26, 347, 694, 2381, 4511, 4762, 9022, 30953, 61906, 826207, 1652414, 10740691, 21481382]

約数ペア:

[(1, 21481382), (2, 10740691), (13, 1652414), (26, 826207), (347, 61906), (694, 30953), (2381, 9022), (4511, 4762)]