21374345

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3727}}^1$

素因数の和:3800

約数の個数: 16

約数和(自身を含む): 27199488

約数和(自身を除く): 5825143

約数列:

[1, 5, 31, 37, 155, 185, 1147, 3727, 5735, 18635, 115537, 137899, 577685, 689495, 4274869, 21374345]

約数ペア:

[(1, 21374345), (5, 4274869), (31, 689495), (37, 577685), (155, 137899), (185, 115537), (1147, 18635), (3727, 5735)]