21330127

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5717}}^1$

素因数の和:5778

約数の個数: 16

約数和(自身を含む): 26897472

約数和(自身を除く): 5567345

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5717, 40019, 74321, 234397, 520247, 1640779, 3047161, 21330127]

約数ペア:

[(1, 21330127), (7, 3047161), (13, 1640779), (41, 520247), (91, 234397), (287, 74321), (533, 40019), (3731, 5717)]