21114821

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{701}}^1$

素因数の和:1052

約数の個数: 16

約数和(自身を含む): 26103168

約数和(自身を除く): 4988347

約数列:

[1, 7, 13, 91, 331, 701, 2317, 4303, 4907, 9113, 30121, 63791, 232031, 1624217, 3016403, 21114821]

約数ペア:

[(1, 21114821), (7, 3016403), (13, 1624217), (91, 232031), (331, 63791), (701, 30121), (2317, 9113), (4303, 4907)]