21277561

素因数分解:

${\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:336

約数の個数: 16

約数和(自身を含む): 22872960

約数和(自身を除く): 1595399

約数列:

[1, 29, 43, 113, 151, 1247, 3277, 4379, 4859, 6493, 17063, 140911, 188297, 494827, 733709, 21277561]

約数ペア:

[(1, 21277561), (29, 733709), (43, 494827), (113, 188297), (151, 140911), (1247, 17063), (3277, 6493), (4379, 4859)]