21219702

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{505231}}^1$

素因数の和:505243

約数の個数: 16

約数和(自身を含む): 48502272

約数和(自身を除く): 27282570

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 505231, 1010462, 1515693, 3031386, 3536617, 7073234, 10609851, 21219702]

約数ペア:

[(1, 21219702), (2, 10609851), (3, 7073234), (6, 3536617), (7, 3031386), (14, 1515693), (21, 1010462), (42, 505231)]