21746421

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{5879}}^1$

素因数の和:6025

約数の個数: 16

約数和(自身を含む): 32457600

約数和(自身を除く): 10711179

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 5879, 17637, 52911, 158733, 805423, 2416269, 7248807, 21746421]

約数ペア:

[(1, 21746421), (3, 7248807), (9, 2416269), (27, 805423), (137, 158733), (411, 52911), (1233, 17637), (3699, 5879)]