21971048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{249671}}^1$

素因数の和:249688

約数の個数: 16

約数和(自身を含む): 44940960

約数和(自身を除く): 22969912

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 249671, 499342, 998684, 1997368, 2746381, 5492762, 10985524, 21971048]

約数ペア:

[(1, 21971048), (2, 10985524), (4, 5492762), (8, 2746381), (11, 1997368), (22, 998684), (44, 499342), (88, 249671)]