21152675

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:799

約数の個数: 24

約数和(自身を含む): 28203552

約数和(自身を除く): 7050877

約数列:

[1, 5, 17, 25, 71, 85, 355, 425, 701, 1207, 1775, 3505, 6035, 11917, 17525, 30175, 49771, 59585, 248855, 297925, 846107, 1244275, 4230535, 21152675]

約数ペア:

[(1, 21152675), (5, 4230535), (17, 1244275), (25, 846107), (71, 297925), (85, 248855), (355, 59585), (425, 49771), (701, 30175), (1207, 17525), (1775, 11917), (3505, 6035)]