21972310

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53591}}^1$

素因数の和:53639

約数の個数: 16

約数和(自身を含む): 40515552

約数和(自身を除く): 18543242

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 53591, 107182, 267955, 535910, 2197231, 4394462, 10986155, 21972310]

約数ペア:

[(1, 21972310), (2, 10986155), (5, 4394462), (10, 2197231), (41, 535910), (82, 267955), (205, 107182), (410, 53591)]