2021058820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{971}}^1\times {\mathrm{9461}}^1$

素因数の和:10452

約数の個数: 48

約数和(自身を含む): 4635320256

約数和(自身を除く): 2614261436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 971, 1942, 3884, 4855, 9461, 9710, 10681, 18922, 19420, 21362, 37844, 42724, 47305, 53405, 94610, 104071, 106810, 189220, 208142, 213620, 416284, 520355, 1040710, 2081420, 9186631, 18373262, 36746524, 45933155, 91866310, 101052941, 183732620, 202105882, 404211764, 505264705, 1010529410, 2021058820]

約数ペア:

[(1, 2021058820), (2, 1010529410), (4, 505264705), (5, 404211764), (10, 202105882), (11, 183732620), (20, 101052941), (22, 91866310), (44, 45933155), (55, 36746524), (110, 18373262), (220, 9186631), (971, 2081420), (1942, 1040710), (3884, 520355), (4855, 416284), (9461, 213620), (9710, 208142), (10681, 189220), (18922, 106810), (19420, 104071), (21362, 94610), (37844, 53405), (42724, 47305)]