21008220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350137}}^1$

素因数の和:350149

約数の個数: 24

約数和(自身を含む): 58823184

約数和(自身を除く): 37814964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350137, 700274, 1050411, 1400548, 1750685, 2100822, 3501370, 4201644, 5252055, 7002740, 10504110, 21008220]

約数ペア:

[(1, 21008220), (2, 10504110), (3, 7002740), (4, 5252055), (5, 4201644), (6, 3501370), (10, 2100822), (12, 1750685), (15, 1400548), (20, 1050411), (30, 700274), (60, 350137)]