21410116

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 46569600

約数和(自身を除く): 25159484

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 131, 182, 262, 364, 449, 524, 898, 917, 1703, 1796, 1834, 3143, 3406, 3668, 5837, 6286, 6812, 11674, 11921, 12572, 23348, 23842, 40859, 47684, 58819, 81718, 117638, 163436, 235276, 411733, 764647, 823466, 1529294, 1646932, 3058588, 5352529, 10705058, 21410116]

約数ペア:

[(1, 21410116), (2, 10705058), (4, 5352529), (7, 3058588), (13, 1646932), (14, 1529294), (26, 823466), (28, 764647), (52, 411733), (91, 235276), (131, 163436), (182, 117638), (262, 81718), (364, 58819), (449, 47684), (524, 40859), (898, 23842), (917, 23348), (1703, 12572), (1796, 11921), (1834, 11674), (3143, 6812), (3406, 6286), (3668, 5837)]