21239878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{5923}}^1$

素因数の和:6099

約数の個数: 16

約数和(自身を含む): 34975296

約数和(自身を除く): 13735418

約数列:

[1, 2, 11, 22, 163, 326, 1793, 3586, 5923, 11846, 65153, 130306, 965449, 1930898, 10619939, 21239878]

約数ペア:

[(1, 21239878), (2, 10619939), (11, 1930898), (22, 965449), (163, 130306), (326, 65153), (1793, 11846), (3586, 5923)]