20210671

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{839}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 3074129

約数列:

[1, 13, 17, 109, 221, 839, 1417, 1853, 10907, 14263, 24089, 91451, 185419, 1188863, 1554667, 20210671]

約数ペア:

[(1, 20210671), (13, 1554667), (17, 1188863), (109, 185419), (221, 91451), (839, 24089), (1417, 14263), (1853, 10907)]