21000201268

素因数分解:

$2^2\times {\mathrm{7867}}^1\times {\mathrm{667351}}^1$

素因数の和:675222

約数の個数: 12

約数和(自身を含む): 36755078752

約数和(自身を除く): 15754877484

約数列:

[1, 2, 4, 7867, 15734, 31468, 667351, 1334702, 2669404, 5250050317, 10500100634, 21000201268]

約数ペア:

[(1, 21000201268), (2, 10500100634), (4, 5250050317), (7867, 2669404), (15734, 1334702), (31468, 667351)]