21804080258

素因数分解:

$2^1\times {\mathrm{173}}^1\times {\mathrm{1487}}^1\times {\mathrm{42379}}^1$

素因数の和:44041

約数の個数: 16

約数和(自身を含む): 32918071680

約数和(自身を除く): 11113991422

約数列:

[1, 2, 173, 346, 1487, 2974, 42379, 84758, 257251, 514502, 7331567, 14663134, 63017573, 126035146, 10902040129, 21804080258]

約数ペア:

[(1, 21804080258), (2, 10902040129), (173, 126035146), (346, 63017573), (1487, 14663134), (2974, 7331567), (42379, 514502), (84758, 257251)]