21245818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56807}}^1$

素因数の和:56837

約数の個数: 16

約数和(自身を含む): 36811584

約数和(自身を除く): 15565766

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56807, 113614, 624877, 965719, 1249754, 1931438, 10622909, 21245818]

約数ペア:

[(1, 21245818), (2, 10622909), (11, 1931438), (17, 1249754), (22, 965719), (34, 624877), (187, 113614), (374, 56807)]