21353860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3347}}^1$

素因数の和:3396

約数の個数: 48

約数和(自身を含む): 50621760

約数和(自身を除く): 29267900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 3347, 6380, 6694, 13388, 16735, 33470, 36817, 66940, 73634, 97063, 147268, 184085, 194126, 368170, 388252, 485315, 736340, 970630, 1067693, 1941260, 2135386, 4270772, 5338465, 10676930, 21353860]

約数ペア:

[(1, 21353860), (2, 10676930), (4, 5338465), (5, 4270772), (10, 2135386), (11, 1941260), (20, 1067693), (22, 970630), (29, 736340), (44, 485315), (55, 388252), (58, 368170), (110, 194126), (116, 184085), (145, 147268), (220, 97063), (290, 73634), (319, 66940), (580, 36817), (638, 33470), (1276, 16735), (1595, 13388), (3190, 6694), (3347, 6380)]