21690396

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2207}}^1$

素因数の和:2240

約数の個数: 96

約数和(自身を含む): 69242880

約数和(自身を除く): 47552484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 108, 117, 126, 156, 182, 189, 234, 252, 273, 351, 364, 378, 468, 546, 702, 756, 819, 1092, 1404, 1638, 2207, 2457, 3276, 4414, 4914, 6621, 8828, 9828, 13242, 15449, 19863, 26484, 28691, 30898, 39726, 46347, 57382, 59589, 61796, 79452, 86073, 92694, 114764, 119178, 139041, 172146, 185388, 200837, 238356, 258219, 278082, 344292, 401674, 417123, 516438, 556164, 602511, 774657, 803348, 834246, 1032876, 1205022, 1549314, 1668492, 1807533, 2410044, 3098628, 3615066, 5422599, 7230132, 10845198, 21690396]

約数ペア:

[(1, 21690396), (2, 10845198), (3, 7230132), (4, 5422599), (6, 3615066), (7, 3098628), (9, 2410044), (12, 1807533), (13, 1668492), (14, 1549314), (18, 1205022), (21, 1032876), (26, 834246), (27, 803348), (28, 774657), (36, 602511), (39, 556164), (42, 516438), (52, 417123), (54, 401674), (63, 344292), (78, 278082), (84, 258219), (91, 238356), (108, 200837), (117, 185388), (126, 172146), (156, 139041), (182, 119178), (189, 114764), (234, 92694), (252, 86073), (273, 79452), (351, 61796), (364, 59589), (378, 57382), (468, 46347), (546, 39726), (702, 30898), (756, 28691), (819, 26484), (1092, 19863), (1404, 15449), (1638, 13242), (2207, 9828), (2457, 8828), (3276, 6621), (4414, 4914)]