21359689

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1069}}^1$

素因数の和:1164

約数の個数: 16

約数和(自身を含む): 24267600

約数和(自身を除く): 2907911

約数列:

[1, 13, 29, 53, 377, 689, 1069, 1537, 13897, 19981, 31001, 56657, 403013, 736541, 1643053, 21359689]

約数ペア:

[(1, 21359689), (13, 1643053), (29, 736541), (53, 403013), (377, 56657), (689, 31001), (1069, 19981), (1537, 13897)]