21000366275

素因数分解:

$5^2\times 7^1\times {\mathrm{2351}}^1\times {\mathrm{51043}}^1$

素因数の和:53411

約数の個数: 24

約数和(自身を含む): 29773761024

約数和(自身を除く): 8773394749

約数列:

[1, 5, 7, 25, 35, 175, 2351, 11755, 16457, 51043, 58775, 82285, 255215, 357301, 411425, 1276075, 1786505, 8932525, 120002093, 600010465, 840014651, 3000052325, 4200073255, 21000366275]

約数ペア:

[(1, 21000366275), (5, 4200073255), (7, 3000052325), (25, 840014651), (35, 600010465), (175, 120002093), (2351, 8932525), (11755, 1786505), (16457, 1276075), (51043, 411425), (58775, 357301), (82285, 255215)]