21754192

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{2441}}^1$

素因数の和:3006

約数の個数: 20

約数和(自身を含む): 42241716

約数和(自身を除く): 20487524

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 2441, 4456, 4882, 8912, 9764, 19528, 39056, 1359637, 2719274, 5438548, 10877096, 21754192]

約数ペア:

[(1, 21754192), (2, 10877096), (4, 5438548), (8, 2719274), (16, 1359637), (557, 39056), (1114, 19528), (2228, 9764), (2441, 8912), (4456, 4882)]