21983091

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 11982477

約数列:

[1, 3, 13, 17, 39, 51, 71, 213, 221, 467, 663, 923, 1207, 1401, 2769, 3621, 6071, 7939, 15691, 18213, 23817, 33157, 47073, 99471, 103207, 309621, 431041, 563669, 1293123, 1691007, 7327697, 21983091]

約数ペア:

[(1, 21983091), (3, 7327697), (13, 1691007), (17, 1293123), (39, 563669), (51, 431041), (71, 309621), (213, 103207), (221, 99471), (467, 47073), (663, 33157), (923, 23817), (1207, 18213), (1401, 15691), (2769, 7939), (3621, 6071)]