21280932

素因数分解:

$2^2\times 3^2\times {\mathrm{591137}}^1$

素因数の和:591147

約数の個数: 18

約数和(自身を含む): 53793558

約数和(自身を除く): 32512626

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 591137, 1182274, 1773411, 2364548, 3546822, 5320233, 7093644, 10640466, 21280932]

約数ペア:

[(1, 21280932), (2, 10640466), (3, 7093644), (4, 5320233), (6, 3546822), (9, 2364548), (12, 1773411), (18, 1182274), (36, 591137)]