21408182856

素因数分解:

$2^3\times 3^2\times {\mathrm{139}}^1\times {\mathrm{2139107}}^1$

素因数の和:2139258

約数の個数: 48

約数和(自身を含む): 58397648400

約数和(自身を除く): 36989465544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 139, 278, 417, 556, 834, 1112, 1251, 1668, 2502, 3336, 5004, 10008, 2139107, 4278214, 6417321, 8556428, 12834642, 17112856, 19251963, 25669284, 38503926, 51338568, 77007852, 154015704, 297335873, 594671746, 892007619, 1189343492, 1784015238, 2378686984, 2676022857, 3568030476, 5352045714, 7136060952, 10704091428, 21408182856]

約数ペア:

[(1, 21408182856), (2, 10704091428), (3, 7136060952), (4, 5352045714), (6, 3568030476), (8, 2676022857), (9, 2378686984), (12, 1784015238), (18, 1189343492), (24, 892007619), (36, 594671746), (72, 297335873), (139, 154015704), (278, 77007852), (417, 51338568), (556, 38503926), (834, 25669284), (1112, 19251963), (1251, 17112856), (1668, 12834642), (2502, 8556428), (3336, 6417321), (5004, 4278214), (10008, 2139107)]