21928263

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{36007}}^1$

素因数の和:36046

約数の個数: 16

約数和(自身を含む): 34567680

約数和(自身を除く): 12639417

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 36007, 108021, 252049, 756147, 1044203, 3132609, 7309421, 21928263]

約数ペア:

[(1, 21928263), (3, 7309421), (7, 3132609), (21, 1044203), (29, 756147), (87, 252049), (203, 108021), (609, 36007)]