21359792

素因数分解:

$2^4\times {\mathrm{227}}^1\times {\mathrm{5881}}^1$

素因数の和:6116

約数の個数: 20

約数和(自身を含む): 41573976

約数和(自身を除く): 20214184

約数列:

[1, 2, 4, 8, 16, 227, 454, 908, 1816, 3632, 5881, 11762, 23524, 47048, 94096, 1334987, 2669974, 5339948, 10679896, 21359792]

約数ペア:

[(1, 21359792), (2, 10679896), (4, 5339948), (8, 2669974), (16, 1334987), (227, 94096), (454, 47048), (908, 23524), (1816, 11762), (3632, 5881)]