21081781788

素因数分解:

$2^2\times 3^1\times {\mathrm{239}}^1\times {\mathrm{7350691}}^1$

素因数の和:7350937

約数の個数: 24

約数和(自身を含む): 49396650240

約数和(自身を除く): 28314868452

約数列:

[1, 2, 3, 4, 6, 12, 239, 478, 717, 956, 1434, 2868, 7350691, 14701382, 22052073, 29402764, 44104146, 88208292, 1756815149, 3513630298, 5270445447, 7027260596, 10540890894, 21081781788]

約数ペア:

[(1, 21081781788), (2, 10540890894), (3, 7027260596), (4, 5270445447), (6, 3513630298), (12, 1756815149), (239, 88208292), (478, 44104146), (717, 29402764), (956, 22052073), (1434, 14701382), (2868, 7350691)]