21102460

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3371}}^1$

素因数の和:3693

約数の個数: 24

約数和(自身を含む): 44469936

約数和(自身を除く): 23367476

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 3371, 6260, 6742, 13484, 16855, 33710, 67420, 1055123, 2110246, 4220492, 5275615, 10551230, 21102460]

約数ペア:

[(1, 21102460), (2, 10551230), (4, 5275615), (5, 4220492), (10, 2110246), (20, 1055123), (313, 67420), (626, 33710), (1252, 16855), (1565, 13484), (3130, 6742), (3371, 6260)]