21017156908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{477662657}}^1$

素因数の和:477662672

約数の個数: 12

約数和(自身を含む): 40123663272

約数和(自身を除く): 19106506364

約数列:

[1, 2, 4, 11, 22, 44, 477662657, 955325314, 1910650628, 5254289227, 10508578454, 21017156908]

約数ペア:

[(1, 21017156908), (2, 10508578454), (4, 5254289227), (11, 1910650628), (22, 955325314), (44, 477662657)]