21861476

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 51744000

約数和(自身を除く): 29882524

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 29, 38, 52, 58, 76, 91, 109, 116, 133, 182, 203, 218, 247, 266, 364, 377, 406, 436, 494, 532, 551, 754, 763, 812, 988, 1102, 1417, 1508, 1526, 1729, 2071, 2204, 2639, 2834, 3052, 3161, 3458, 3857, 4142, 5278, 5668, 6322, 6916, 7163, 7714, 8284, 9919, 10556, 12644, 14326, 14497, 15428, 19838, 22127, 26923, 28652, 28994, 39676, 41093, 44254, 50141, 53846, 57988, 60059, 82186, 88508, 100282, 107692, 120118, 164372, 188461, 200564, 240236, 287651, 376922, 420413, 575302, 753844, 780767, 840826, 1150604, 1561534, 1681652, 3123068, 5465369, 10930738, 21861476]

約数ペア:

[(1, 21861476), (2, 10930738), (4, 5465369), (7, 3123068), (13, 1681652), (14, 1561534), (19, 1150604), (26, 840826), (28, 780767), (29, 753844), (38, 575302), (52, 420413), (58, 376922), (76, 287651), (91, 240236), (109, 200564), (116, 188461), (133, 164372), (182, 120118), (203, 107692), (218, 100282), (247, 88508), (266, 82186), (364, 60059), (377, 57988), (406, 53846), (436, 50141), (494, 44254), (532, 41093), (551, 39676), (754, 28994), (763, 28652), (812, 26923), (988, 22127), (1102, 19838), (1417, 15428), (1508, 14497), (1526, 14326), (1729, 12644), (2071, 10556), (2204, 9919), (2639, 8284), (2834, 7714), (3052, 7163), (3161, 6916), (3458, 6322), (3857, 5668), (4142, 5278)]