21799804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3301}}^1$

素因数の和:3445

約数の個数: 24

約数和(自身を含む): 41420288

約数和(自身を除く): 19620484

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3301, 3302, 6602, 6604, 13204, 42913, 85826, 171652, 419227, 838454, 1676908, 5449951, 10899902, 21799804]

約数ペア:

[(1, 21799804), (2, 10899902), (4, 5449951), (13, 1676908), (26, 838454), (52, 419227), (127, 171652), (254, 85826), (508, 42913), (1651, 13204), (3301, 6604), (3302, 6602)]