21733029

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{3779}}^1$

素因数の和:3862

約数の個数: 20

約数和(自身を含む): 32931360

約数和(自身を除く): 11198331

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 3779, 5751, 11337, 34011, 102033, 268309, 306099, 804927, 2414781, 7244343, 21733029]

約数ペア:

[(1, 21733029), (3, 7244343), (9, 2414781), (27, 804927), (71, 306099), (81, 268309), (213, 102033), (639, 34011), (1917, 11337), (3779, 5751)]