21464307

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{719}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 32348160

約数和(自身を除く): 10883853

約数列:

[1, 3, 9, 31, 93, 107, 279, 321, 719, 963, 2157, 3317, 6471, 9951, 22289, 29853, 66867, 76933, 200601, 230799, 692397, 2384923, 7154769, 21464307]

約数ペア:

[(1, 21464307), (3, 7154769), (9, 2384923), (31, 692397), (93, 230799), (107, 200601), (279, 76933), (321, 66867), (719, 29853), (963, 22289), (2157, 9951), (3317, 6471)]