21096970225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{70423}}^1$

素因数の和:70977

約数の個数: 24

約数和(自身を含む): 27350428032

約数和(自身を除く): 6253457807

約数列:

[1, 5, 23, 25, 115, 521, 575, 2605, 11983, 13025, 59915, 70423, 299575, 352115, 1619729, 1760575, 8098645, 36690383, 40493225, 183451915, 843878809, 917259575, 4219394045, 21096970225]

約数ペア:

[(1, 21096970225), (5, 4219394045), (23, 917259575), (25, 843878809), (115, 183451915), (521, 40493225), (575, 36690383), (2605, 8098645), (11983, 1760575), (13025, 1619729), (59915, 352115), (70423, 299575)]