21798698

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{1087}}^1$

素因数の和:1397

約数の個数: 16

約数和(自身を含む): 33736704

約数和(自身を除く): 11938006

約数列:

[1, 2, 37, 74, 271, 542, 1087, 2174, 10027, 20054, 40219, 80438, 294577, 589154, 10899349, 21798698]

約数ペア:

[(1, 21798698), (2, 10899349), (37, 589154), (74, 294577), (271, 80438), (542, 40219), (1087, 20054), (2174, 10027)]