21124727

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1567}}^1$

素因数の和:1658

約数の個数: 16

約数和(自身を含む): 24498432

約数和(自身を除く): 3373705

約数列:

[1, 13, 17, 61, 221, 793, 1037, 1567, 13481, 20371, 26639, 95587, 346307, 1242631, 1624979, 21124727]

約数ペア:

[(1, 21124727), (13, 1624979), (17, 1242631), (61, 346307), (221, 95587), (793, 26639), (1037, 20371), (1567, 13481)]