21801819

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{2339}}^1$

素因数の和:2594

約数の個数: 16

約数和(自身を含む): 31449600

約数和(自身を除く): 9647781

約数列:

[1, 3, 13, 39, 239, 717, 2339, 3107, 7017, 9321, 30407, 91221, 559021, 1677063, 7267273, 21801819]

約数ペア:

[(1, 21801819), (3, 7267273), (13, 1677063), (39, 559021), (239, 91221), (717, 30407), (2339, 9321), (3107, 7017)]