21687692

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{7069}}^1$

素因数の和:7145

約数の個数: 24

約数和(自身を含む): 41571600

約数和(自身を除く): 19883908

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 7069, 14138, 28276, 91897, 183794, 367588, 417071, 834142, 1668284, 5421923, 10843846, 21687692]

約数ペア:

[(1, 21687692), (2, 10843846), (4, 5421923), (13, 1668284), (26, 834142), (52, 417071), (59, 367588), (118, 183794), (236, 91897), (767, 28276), (1534, 14138), (3068, 7069)]