21056233

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:632

約数の個数: 16

約数和(自身を含む): 23976000

約数和(自身を除く): 2919767

約数列:

[1, 11, 29, 149, 319, 443, 1639, 4321, 4873, 12847, 47531, 66007, 141317, 726077, 1914203, 21056233]

約数ペア:

[(1, 21056233), (11, 1914203), (29, 726077), (149, 141317), (319, 66007), (443, 47531), (1639, 12847), (4321, 4873)]