21771288220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3192271}}^1$

素因数の和:3192322

約数の個数: 48

約数和(自身を含む): 51484962816

約数和(自身を除く): 29713674596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 3192271, 6384542, 12769084, 15961355, 31922710, 35114981, 63845420, 70229962, 98960401, 140459924, 175574905, 197920802, 351149810, 395841604, 494802005, 702299620, 989604010, 1088564411, 1979208020, 2177128822, 4354257644, 5442822055, 10885644110, 21771288220]

約数ペア:

[(1, 21771288220), (2, 10885644110), (4, 5442822055), (5, 4354257644), (10, 2177128822), (11, 1979208020), (20, 1088564411), (22, 989604010), (31, 702299620), (44, 494802005), (55, 395841604), (62, 351149810), (110, 197920802), (124, 175574905), (155, 140459924), (220, 98960401), (310, 70229962), (341, 63845420), (620, 35114981), (682, 31922710), (1364, 15961355), (1705, 12769084), (3410, 6384542), (6820, 3192271)]