21078332

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4651}}^1$

素因数の和:4769

約数の個数: 24

約数和(自身を含む): 40639872

約数和(自身を除く): 19561540

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4532, 4651, 9302, 18604, 51161, 102322, 204644, 479053, 958106, 1916212, 5269583, 10539166, 21078332]

約数ペア:

[(1, 21078332), (2, 10539166), (4, 5269583), (11, 1916212), (22, 958106), (44, 479053), (103, 204644), (206, 102322), (412, 51161), (1133, 18604), (2266, 9302), (4532, 4651)]