21000481244

素因数分解:

$2^2\times {\mathrm{51031}}^1\times {\mathrm{102881}}^1$

素因数の和:153916

約数の個数: 12

約数和(自身を含む): 36751919568

約数和(自身を除く): 15751438324

約数列:

[1, 2, 4, 51031, 102062, 102881, 204124, 205762, 411524, 5250120311, 10500240622, 21000481244]

約数ペア:

[(1, 21000481244), (2, 10500240622), (4, 5250120311), (51031, 411524), (102062, 205762), (102881, 204124)]