21764252

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{269}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 38782800

約数和(自身を除く): 17018548

約数列:

[1, 2, 4, 113, 179, 226, 269, 358, 452, 538, 716, 1076, 20227, 30397, 40454, 48151, 60794, 80908, 96302, 121588, 192604, 5441063, 10882126, 21764252]

約数ペア:

[(1, 21764252), (2, 10882126), (4, 5441063), (113, 192604), (179, 121588), (226, 96302), (269, 80908), (358, 60794), (452, 48151), (538, 40454), (716, 30397), (1076, 20227)]