21897738

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{13669}}^1$

素因数の和:13766

約数の個数: 24

約数和(自身を含む): 47981700

約数和(自身を除く): 26083962

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 13669, 27338, 41007, 82014, 123021, 246042, 1216541, 2433082, 3649623, 7299246, 10948869, 21897738]

約数ペア:

[(1, 21897738), (2, 10948869), (3, 7299246), (6, 3649623), (9, 2433082), (18, 1216541), (89, 246042), (178, 123021), (267, 82014), (534, 41007), (801, 27338), (1602, 13669)]