21835788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 59270400

約数和(自身を除く): 37434612

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 53, 57, 76, 78, 106, 114, 139, 156, 159, 212, 228, 247, 278, 318, 417, 494, 556, 636, 689, 741, 834, 988, 1007, 1378, 1482, 1668, 1807, 2014, 2067, 2641, 2756, 2964, 3021, 3614, 4028, 4134, 5282, 5421, 6042, 7228, 7367, 7923, 8268, 10564, 10842, 12084, 13091, 14734, 15846, 21684, 22101, 26182, 29468, 31692, 34333, 39273, 44202, 52364, 68666, 78546, 88404, 95771, 102999, 137332, 139973, 157092, 191542, 205998, 279946, 287313, 383084, 411996, 419919, 559892, 574626, 839838, 1149252, 1679676, 1819649, 3639298, 5458947, 7278596, 10917894, 21835788]

約数ペア:

[(1, 21835788), (2, 10917894), (3, 7278596), (4, 5458947), (6, 3639298), (12, 1819649), (13, 1679676), (19, 1149252), (26, 839838), (38, 574626), (39, 559892), (52, 419919), (53, 411996), (57, 383084), (76, 287313), (78, 279946), (106, 205998), (114, 191542), (139, 157092), (156, 139973), (159, 137332), (212, 102999), (228, 95771), (247, 88404), (278, 78546), (318, 68666), (417, 52364), (494, 44202), (556, 39273), (636, 34333), (689, 31692), (741, 29468), (834, 26182), (988, 22101), (1007, 21684), (1378, 15846), (1482, 14734), (1668, 13091), (1807, 12084), (2014, 10842), (2067, 10564), (2641, 8268), (2756, 7923), (2964, 7367), (3021, 7228), (3614, 6042), (4028, 5421), (4134, 5282)]