21087627

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1831}}^1$

素因数の和:2194

約数の個数: 16

約数和(自身を含む): 30777600

約数和(自身を除く): 9689973

約数列:

[1, 3, 11, 33, 349, 1047, 1831, 3839, 5493, 11517, 20141, 60423, 639019, 1917057, 7029209, 21087627]

約数ペア:

[(1, 21087627), (3, 7029209), (11, 1917057), (33, 639019), (349, 60423), (1047, 20141), (1831, 11517), (3839, 5493)]