21355924

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{577}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 39488960

約数和(自身を除く): 18133036

約数列:

[1, 2, 4, 19, 38, 76, 487, 577, 974, 1154, 1948, 2308, 9253, 10963, 18506, 21926, 37012, 43852, 280999, 561998, 1123996, 5338981, 10677962, 21355924]

約数ペア:

[(1, 21355924), (2, 10677962), (4, 5338981), (19, 1123996), (38, 561998), (76, 280999), (487, 43852), (577, 37012), (974, 21926), (1154, 18506), (1948, 10963), (2308, 9253)]