21376072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157177}}^1$

素因数の和:157200

約数の個数: 16

約数和(自身を含む): 42438060

約数和(自身を除く): 21061988

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157177, 314354, 628708, 1257416, 2672009, 5344018, 10688036, 21376072]

約数ペア:

[(1, 21376072), (2, 10688036), (4, 5344018), (8, 2672009), (17, 1257416), (34, 628708), (68, 314354), (136, 157177)]