21091874

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 34715520

約数和(自身を除く): 13623646

約数列:

[1, 2, 23, 29, 46, 58, 97, 163, 194, 326, 667, 1334, 2231, 2813, 3749, 4462, 4727, 5626, 7498, 9454, 15811, 31622, 64699, 108721, 129398, 217442, 363653, 458519, 727306, 917038, 10545937, 21091874]

約数ペア:

[(1, 21091874), (2, 10545937), (23, 917038), (29, 727306), (46, 458519), (58, 363653), (97, 217442), (163, 129398), (194, 108721), (326, 64699), (667, 31622), (1334, 15811), (2231, 9454), (2813, 7498), (3749, 5626), (4462, 4727)]