21829521

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{17041}}^1$

素因数の和:17112

約数の個数: 16

約数和(自身を含む): 33811328

約数和(自身を除く): 11981807

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 17041, 51123, 119287, 357861, 1039501, 3118503, 7276507, 21829521]

約数ペア:

[(1, 21829521), (3, 7276507), (7, 3118503), (21, 1039501), (61, 357861), (183, 119287), (427, 51123), (1281, 17041)]