21017524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{477671}}^1$

素因数の和:477686

約数の個数: 12

約数和(自身を含む): 40124448

約数和(自身を除く): 19106924

約数列:

[1, 2, 4, 11, 22, 44, 477671, 955342, 1910684, 5254381, 10508762, 21017524]

約数ペア:

[(1, 21017524), (2, 10508762), (4, 5254381), (11, 1910684), (22, 955342), (44, 477671)]