21283173

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1753}}^1$

素因数の和:1849

約数の個数: 24

約数和(自身を含む): 32834880

約数和(自身を除く): 11551707

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 1753, 4047, 5259, 12141, 15777, 33307, 99921, 124463, 299763, 373389, 1120167, 2364797, 7094391, 21283173]

約数ペア:

[(1, 21283173), (3, 7094391), (9, 2364797), (19, 1120167), (57, 373389), (71, 299763), (171, 124463), (213, 99921), (639, 33307), (1349, 15777), (1753, 12141), (4047, 5259)]