210916221

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{3499}}^1$

素因数の和:3856

約数の個数: 16

約数和(自身を含む): 286272000

約数和(自身を除く): 75355779

約数列:

[1, 3, 71, 213, 283, 849, 3499, 10497, 20093, 60279, 248429, 745287, 990217, 2970651, 70305407, 210916221]

約数ペア:

[(1, 210916221), (3, 70305407), (71, 2970651), (213, 990217), (283, 745287), (849, 248429), (3499, 60279), (10497, 20093)]