21853481

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:512

約数の個数: 16

約数和(自身を含む): 24503808

約数和(自身を除く): 2650327

約数列:

[1, 13, 31, 211, 257, 403, 2743, 3341, 6541, 7967, 54227, 85033, 103571, 704951, 1681037, 21853481]

約数ペア:

[(1, 21853481), (13, 1681037), (31, 704951), (211, 103571), (257, 85033), (403, 54227), (2743, 7967), (3341, 6541)]