21069968405

素因数分解:

$5^1\times {\mathrm{3881}}^1\times {\mathrm{1085801}}^1$

素因数の和:1089687

約数の個数: 8

約数和(自身を含む): 25290500184

約数和(自身を除く): 4220531779

約数列:

[1, 5, 3881, 19405, 1085801, 5429005, 4213993681, 21069968405]

約数ペア:

[(1, 21069968405), (5, 4213993681), (3881, 5429005), (19405, 1085801)]