21528100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19571}}^1$

素因数の和:19596

約数の個数: 36

約数和(自身を含む): 50965488

約数和(自身を除く): 29437388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19571, 39142, 78284, 97855, 195710, 215281, 391420, 430562, 489275, 861124, 978550, 1076405, 1957100, 2152810, 4305620, 5382025, 10764050, 21528100]

約数ペア:

[(1, 21528100), (2, 10764050), (4, 5382025), (5, 4305620), (10, 2152810), (11, 1957100), (20, 1076405), (22, 978550), (25, 861124), (44, 489275), (50, 430562), (55, 391420), (100, 215281), (110, 195710), (220, 97855), (275, 78284), (550, 39142), (1100, 19571)]