21495604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{863}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 40642560

約数和(自身を除く): 19146956

約数列:

[1, 2, 4, 13, 26, 52, 479, 863, 958, 1726, 1916, 3452, 6227, 11219, 12454, 22438, 24908, 44876, 413377, 826754, 1653508, 5373901, 10747802, 21495604]

約数ペア:

[(1, 21495604), (2, 10747802), (4, 5373901), (13, 1653508), (26, 826754), (52, 413377), (479, 44876), (863, 24908), (958, 22438), (1726, 12454), (1916, 11219), (3452, 6227)]