2021394767

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{339331}}^1$

素因数の和:339398

約数の個数: 16

約数和(自身を含む): 2475766272

約数和(自身を除く): 454371505

約数列:

[1, 7, 23, 37, 161, 259, 851, 5957, 339331, 2375317, 7804613, 12555247, 54632291, 87886729, 288770681, 2021394767]

約数ペア:

[(1, 2021394767), (7, 288770681), (23, 87886729), (37, 54632291), (161, 12555247), (259, 7804613), (851, 2375317), (5957, 339331)]