21850675

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11351}}^1$

素因数の和:11379

約数の個数: 24

約数和(自身を含む): 33783552

約数和(自身を除く): 11932877

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 11351, 56755, 79457, 124861, 283775, 397285, 624305, 874027, 1986425, 3121525, 4370135, 21850675]

約数ペア:

[(1, 21850675), (5, 4370135), (7, 3121525), (11, 1986425), (25, 874027), (35, 624305), (55, 397285), (77, 283775), (175, 124861), (275, 79457), (385, 56755), (1925, 11351)]