21368220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{356137}}^1$

素因数の和:356149

約数の個数: 24

約数和(自身を含む): 59831184

約数和(自身を除く): 38462964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 356137, 712274, 1068411, 1424548, 1780685, 2136822, 3561370, 4273644, 5342055, 7122740, 10684110, 21368220]

約数ペア:

[(1, 21368220), (2, 10684110), (3, 7122740), (4, 5342055), (5, 4273644), (6, 3561370), (10, 2136822), (12, 1780685), (15, 1424548), (20, 1068411), (30, 712274), (60, 356137)]