21360702920

素因数分解:

$2^3\times 5^1\times {\mathrm{534017573}}^1$

素因数の和:534017584

約数の個数: 16

約数和(自身を含む): 48061581660

約数和(自身を除く): 26700878740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 534017573, 1068035146, 2136070292, 2670087865, 4272140584, 5340175730, 10680351460, 21360702920]

約数ペア:

[(1, 21360702920), (2, 10680351460), (4, 5340175730), (5, 4272140584), (8, 2670087865), (10, 2136070292), (20, 1068035146), (40, 534017573)]