21572229

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{757}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 34928640

約数和(自身を除く): 13356411

約数列:

[1, 3, 7, 21, 23, 59, 69, 161, 177, 413, 483, 757, 1239, 1357, 2271, 4071, 5299, 9499, 15897, 17411, 28497, 44663, 52233, 121877, 133989, 312641, 365631, 937923, 1027249, 3081747, 7190743, 21572229]

約数ペア:

[(1, 21572229), (3, 7190743), (7, 3081747), (21, 1027249), (23, 937923), (59, 365631), (69, 312641), (161, 133989), (177, 121877), (413, 52233), (483, 44663), (757, 28497), (1239, 17411), (1357, 15897), (2271, 9499), (4071, 5299)]