21961629

素因数分解:

$3^2\times {\mathrm{59}}^2\times {\mathrm{701}}^1$

素因数の和:825

約数の個数: 18

約数和(自身を含む): 32315166

約数和(自身を除く): 10353537

約数列:

[1, 3, 9, 59, 177, 531, 701, 2103, 3481, 6309, 10443, 31329, 41359, 124077, 372231, 2440181, 7320543, 21961629]

約数ペア:

[(1, 21961629), (3, 7320543), (9, 2440181), (59, 372231), (177, 124077), (531, 41359), (701, 31329), (2103, 10443), (3481, 6309)]