21091313876

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{222379}}^1$

素因数の和:222695

約数の個数: 24

約数和(自身を含む): 37397199840

約数和(自身を除く): 16305885964

約数列:

[1, 2, 4, 131, 181, 262, 362, 524, 724, 23711, 47422, 94844, 222379, 444758, 889516, 29131649, 40250599, 58263298, 80501198, 116526596, 161002396, 5272828469, 10545656938, 21091313876]

約数ペア:

[(1, 21091313876), (2, 10545656938), (4, 5272828469), (131, 161002396), (181, 116526596), (262, 80501198), (362, 58263298), (524, 40250599), (724, 29131649), (23711, 889516), (47422, 444758), (94844, 222379)]