21813220805

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{1523}}^1\times {\mathrm{29531}}^1$

素因数の和:31156

約数の個数: 16

約数和(自身を含む): 26463979584

約数和(自身を除く): 4650758779

約数列:

[1, 5, 97, 485, 1523, 7615, 29531, 147655, 147731, 738655, 2864507, 14322535, 44975713, 224878565, 4362644161, 21813220805]

約数ペア:

[(1, 21813220805), (5, 4362644161), (97, 224878565), (485, 44975713), (1523, 14322535), (7615, 2864507), (29531, 738655), (147655, 147731)]