21030988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{477977}}^1$

素因数の和:477992

約数の個数: 12

約数和(自身を含む): 40150152

約数和(自身を除く): 19119164

約数列:

[1, 2, 4, 11, 22, 44, 477977, 955954, 1911908, 5257747, 10515494, 21030988]

約数ペア:

[(1, 21030988), (2, 10515494), (4, 5257747), (11, 1911908), (22, 955954), (44, 477977)]