21972962

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1511}}^1$

素因数の和:2185

約数の個数: 16

約数和(自身を含む): 36033984

約数和(自身を除く): 14061022

約数列:

[1, 2, 11, 22, 661, 1322, 1511, 3022, 7271, 14542, 16621, 33242, 998771, 1997542, 10986481, 21972962]

約数ペア:

[(1, 21972962), (2, 10986481), (11, 1997542), (22, 998771), (661, 33242), (1322, 16621), (1511, 14542), (3022, 7271)]