21683806

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{5851}}^1$

素因数の和:5979

約数の個数: 16

約数和(自身を含む): 34760880

約数和(自身を除く): 13077074

約数列:

[1, 2, 17, 34, 109, 218, 1853, 3706, 5851, 11702, 99467, 198934, 637759, 1275518, 10841903, 21683806]

約数ペア:

[(1, 21683806), (2, 10841903), (17, 1275518), (34, 637759), (109, 198934), (218, 99467), (1853, 11702), (3706, 5851)]