21260530

素因数分解:

$2^1\times 5^1\times {\mathrm{937}}^1\times {\mathrm{2269}}^1$

素因数の和:3213

約数の個数: 16

約数和(自身を含む): 38326680

約数和(自身を除く): 17066150

約数列:

[1, 2, 5, 10, 937, 1874, 2269, 4538, 4685, 9370, 11345, 22690, 2126053, 4252106, 10630265, 21260530]

約数ペア:

[(1, 21260530), (2, 10630265), (5, 4252106), (10, 2126053), (937, 22690), (1874, 11345), (2269, 9370), (4538, 4685)]