21918636

素因数分解:

$2^2\times 3^2\times {\mathrm{608851}}^1$

素因数の和:608861

約数の個数: 18

約数和(自身を含む): 55405532

約数和(自身を除く): 33486896

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 608851, 1217702, 1826553, 2435404, 3653106, 5479659, 7306212, 10959318, 21918636]

約数ペア:

[(1, 21918636), (2, 10959318), (3, 7306212), (4, 5479659), (6, 3653106), (9, 2435404), (12, 1826553), (18, 1217702), (36, 608851)]