21237722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{2689}}^1$

素因数の和:3061

約数の個数: 16

約数和(自身を含む): 34862400

約数和(自身を除く): 13624678

約数列:

[1, 2, 11, 22, 359, 718, 2689, 3949, 5378, 7898, 29579, 59158, 965351, 1930702, 10618861, 21237722]

約数ペア:

[(1, 21237722), (2, 10618861), (11, 1930702), (22, 965351), (359, 59158), (718, 29579), (2689, 7898), (3949, 5378)]