21556559740

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{941}}^1\times {\mathrm{3121}}^1$

素因数の和:4438

約数の個数: 48

約数和(自身を含む): 45454921344

約数和(自身を除く): 23898361604

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 941, 1468, 1835, 1882, 3121, 3670, 3764, 4705, 6242, 7340, 9410, 12484, 15605, 18820, 31210, 62420, 345347, 690694, 1145407, 1381388, 1726735, 2290814, 2936861, 3453470, 4581628, 5727035, 5873722, 6906940, 11454070, 11747444, 14684305, 22908140, 29368610, 58737220, 1077827987, 2155655974, 4311311948, 5389139935, 10778279870, 21556559740]

約数ペア:

[(1, 21556559740), (2, 10778279870), (4, 5389139935), (5, 4311311948), (10, 2155655974), (20, 1077827987), (367, 58737220), (734, 29368610), (941, 22908140), (1468, 14684305), (1835, 11747444), (1882, 11454070), (3121, 6906940), (3670, 5873722), (3764, 5727035), (4705, 4581628), (6242, 3453470), (7340, 2936861), (9410, 2290814), (12484, 1726735), (15605, 1381388), (18820, 1145407), (31210, 690694), (62420, 345347)]