21250570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3167}}^1$

素因数の和:3246

約数の個数: 32

約数和(自身を含む): 42425856

約数和(自身を除く): 21175286

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3167, 3355, 6334, 6710, 15835, 31670, 34837, 69674, 174185, 193187, 348370, 386374, 965935, 1931870, 2125057, 4250114, 10625285, 21250570]

約数ペア:

[(1, 21250570), (2, 10625285), (5, 4250114), (10, 2125057), (11, 1931870), (22, 965935), (55, 386374), (61, 348370), (110, 193187), (122, 174185), (305, 69674), (610, 34837), (671, 31670), (1342, 15835), (3167, 6710), (3355, 6334)]