21054790

素因数分解:

$2^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{5737}}^1$

素因数の和:6111

約数の個数: 16

約数和(自身を含む): 38008512

約数和(自身を除く): 16953722

約数列:

[1, 2, 5, 10, 367, 734, 1835, 3670, 5737, 11474, 28685, 57370, 2105479, 4210958, 10527395, 21054790]

約数ペア:

[(1, 21054790), (2, 10527395), (5, 4210958), (10, 2105479), (367, 57370), (734, 28685), (1835, 11474), (3670, 5737)]