21067543

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1759}}^1$

素因数の和:1854

約数の個数: 16

約数和(自身を含む): 25344000

約数和(自身を除く): 4276457

約数列:

[1, 7, 29, 59, 203, 413, 1711, 1759, 11977, 12313, 51011, 103781, 357077, 726467, 3009649, 21067543]

約数ペア:

[(1, 21067543), (7, 3009649), (29, 726467), (59, 357077), (203, 103781), (413, 51011), (1711, 12313), (1759, 11977)]