21542110

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30341}}^1$

素因数の和:30419

約数の個数: 16

約数和(自身を含む): 39323232

約数和(自身を除く): 17781122

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 30341, 60682, 151705, 303410, 2154211, 4308422, 10771055, 21542110]

約数ペア:

[(1, 21542110), (2, 10771055), (5, 4308422), (10, 2154211), (71, 303410), (142, 151705), (355, 60682), (710, 30341)]