21377044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1811}}^1$

素因数の和:2055

約数の個数: 24

約数和(自身を含む): 40487328

約数和(自身を除く): 19110284

約数列:

[1, 2, 4, 13, 26, 52, 227, 454, 908, 1811, 2951, 3622, 5902, 7244, 11804, 23543, 47086, 94172, 411097, 822194, 1644388, 5344261, 10688522, 21377044]

約数ペア:

[(1, 21377044), (2, 10688522), (4, 5344261), (13, 1644388), (26, 822194), (52, 411097), (227, 94172), (454, 47086), (908, 23543), (1811, 11804), (2951, 7244), (3622, 5902)]