21160495

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1439}}^1$

素因数の和:1634

約数の個数: 16

約数和(自身を含む): 27060480

約数和(自身を除く): 5899985

約数列:

[1, 5, 17, 85, 173, 865, 1439, 2941, 7195, 14705, 24463, 122315, 248947, 1244735, 4232099, 21160495]

約数ペア:

[(1, 21160495), (5, 4232099), (17, 1244735), (85, 248947), (173, 122315), (865, 24463), (1439, 14705), (2941, 7195)]