21022804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{477791}}^1$

素因数の和:477806

約数の個数: 12

約数和(自身を含む): 40134528

約数和(自身を除く): 19111724

約数列:

[1, 2, 4, 11, 22, 44, 477791, 955582, 1911164, 5255701, 10511402, 21022804]

約数ペア:

[(1, 21022804), (2, 10511402), (4, 5255701), (11, 1911164), (22, 955582), (44, 477791)]