21908722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{6343}}^1$

素因数の和:6513

約数の個数: 16

約数和(自身を含む): 36084672

約数和(自身を除く): 14175950

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 6343, 12686, 69773, 139546, 995851, 1991702, 10954361, 21908722]

約数ペア:

[(1, 21908722), (2, 10954361), (11, 1991702), (22, 995851), (157, 139546), (314, 69773), (1727, 12686), (3454, 6343)]