21909206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{1213}}^1$

素因数の和:2047

約数の個数: 16

約数和(自身を含む): 35924688

約数和(自身を除く): 14015482

約数列:

[1, 2, 11, 22, 821, 1213, 1642, 2426, 9031, 13343, 18062, 26686, 995873, 1991746, 10954603, 21909206]

約数ペア:

[(1, 21909206), (2, 10954603), (11, 1991746), (22, 995873), (821, 26686), (1213, 18062), (1642, 13343), (2426, 9031)]