21000940204

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{169362421}}^1$

素因数の和:169362456

約数の個数: 12

約数和(自身を含む): 37937182528

約数和(自身を除く): 16936242324

約数列:

[1, 2, 4, 31, 62, 124, 169362421, 338724842, 677449684, 5250235051, 10500470102, 21000940204]

約数ペア:

[(1, 21000940204), (2, 10500470102), (4, 5250235051), (31, 677449684), (62, 338724842), (124, 169362421)]