21368435

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{3631}}^1$

素因数の和:3754

約数の個数: 16

約数和(自身を含む): 28242432

約数和(自身を除く): 6873997

約数列:

[1, 5, 11, 55, 107, 535, 1177, 3631, 5885, 18155, 39941, 199705, 388517, 1942585, 4273687, 21368435]

約数ペア:

[(1, 21368435), (5, 4273687), (11, 1942585), (55, 388517), (107, 199705), (535, 39941), (1177, 18155), (3631, 5885)]