21893940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{121633}}^1$

素因数の和:121648

約数の個数: 36

約数和(自身を含む): 66412164

約数和(自身を除く): 44518224

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 121633, 243266, 364899, 486532, 608165, 729798, 1094697, 1216330, 1459596, 1824495, 2189394, 2432660, 3648990, 4378788, 5473485, 7297980, 10946970, 21893940]

約数ペア:

[(1, 21893940), (2, 10946970), (3, 7297980), (4, 5473485), (5, 4378788), (6, 3648990), (9, 2432660), (10, 2189394), (12, 1824495), (15, 1459596), (18, 1216330), (20, 1094697), (30, 729798), (36, 608165), (45, 486532), (60, 364899), (90, 243266), (180, 121633)]