21936685

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{461}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 27320832

約数和(自身を除く): 5384147

約数列:

[1, 5, 31, 155, 307, 461, 1535, 2305, 9517, 14291, 47585, 71455, 141527, 707635, 4387337, 21936685]

約数ペア:

[(1, 21936685), (5, 4387337), (31, 707635), (155, 141527), (307, 71455), (461, 47585), (1535, 14291), (2305, 9517)]