21883510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{198941}}^1$

素因数の和:198959

約数の個数: 16

約数和(自身を含む): 42971472

約数和(自身を除く): 21087962

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 198941, 397882, 994705, 1989410, 2188351, 4376702, 10941755, 21883510]

約数ペア:

[(1, 21883510), (2, 10941755), (5, 4376702), (10, 2188351), (11, 1989410), (22, 994705), (55, 397882), (110, 198941)]