21521056

素因数分解:

$2^5\times {\mathrm{137}}^1\times {\mathrm{4909}}^1$

素因数の和:5056

約数の個数: 24

約数和(自身を含む): 42687540

約数和(自身を除く): 21166484

約数列:

[1, 2, 4, 8, 16, 32, 137, 274, 548, 1096, 2192, 4384, 4909, 9818, 19636, 39272, 78544, 157088, 672533, 1345066, 2690132, 5380264, 10760528, 21521056]

約数ペア:

[(1, 21521056), (2, 10760528), (4, 5380264), (8, 2690132), (16, 1345066), (32, 672533), (137, 157088), (274, 78544), (548, 39272), (1096, 19636), (2192, 9818), (4384, 4909)]