21036705500

素因数分解:

$2^2\times 5^3\times {\mathrm{1531}}^1\times {\mathrm{27481}}^1$

素因数の和:29031

約数の個数: 48

約数和(自身を含む): 45975847008

約数和(自身を除く): 24939141508

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 1531, 3062, 6124, 7655, 15310, 27481, 30620, 38275, 54962, 76550, 109924, 137405, 153100, 191375, 274810, 382750, 549620, 687025, 765500, 1374050, 2748100, 3435125, 6870250, 13740500, 42073411, 84146822, 168293644, 210367055, 420734110, 841468220, 1051835275, 2103670550, 4207341100, 5259176375, 10518352750, 21036705500]

約数ペア:

[(1, 21036705500), (2, 10518352750), (4, 5259176375), (5, 4207341100), (10, 2103670550), (20, 1051835275), (25, 841468220), (50, 420734110), (100, 210367055), (125, 168293644), (250, 84146822), (500, 42073411), (1531, 13740500), (3062, 6870250), (6124, 3435125), (7655, 2748100), (15310, 1374050), (27481, 765500), (30620, 687025), (38275, 549620), (54962, 382750), (76550, 274810), (109924, 191375), (137405, 153100)]