21412116

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 59623200

約数和(自身を除く): 38211084

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 139, 198, 278, 389, 396, 417, 556, 778, 834, 1167, 1251, 1529, 1556, 1668, 2334, 2502, 3058, 3501, 4279, 4587, 4668, 5004, 6116, 7002, 8558, 9174, 12837, 13761, 14004, 17116, 18348, 25674, 27522, 38511, 51348, 54071, 55044, 77022, 108142, 154044, 162213, 216284, 324426, 486639, 594781, 648852, 973278, 1189562, 1784343, 1946556, 2379124, 3568686, 5353029, 7137372, 10706058, 21412116]

約数ペア:

[(1, 21412116), (2, 10706058), (3, 7137372), (4, 5353029), (6, 3568686), (9, 2379124), (11, 1946556), (12, 1784343), (18, 1189562), (22, 973278), (33, 648852), (36, 594781), (44, 486639), (66, 324426), (99, 216284), (132, 162213), (139, 154044), (198, 108142), (278, 77022), (389, 55044), (396, 54071), (417, 51348), (556, 38511), (778, 27522), (834, 25674), (1167, 18348), (1251, 17116), (1529, 14004), (1556, 13761), (1668, 12837), (2334, 9174), (2502, 8558), (3058, 7002), (3501, 6116), (4279, 5004), (4587, 4668)]