21087033

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{5281}}^1$

素因数の和:5317

約数の個数: 16

約数和(自身を含む): 30931392

約数和(自身を除く): 9844359

約数列:

[1, 3, 11, 33, 121, 363, 1331, 3993, 5281, 15843, 58091, 174273, 639001, 1917003, 7029011, 21087033]

約数ペア:

[(1, 21087033), (3, 7029011), (11, 1917003), (33, 639001), (121, 174273), (363, 58091), (1331, 15843), (3993, 5281)]