21134564888

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{37208741}}^1$

素因数の和:37208818

約数の個数: 16

約数和(自身を含む): 40185441360

約数和(自身を除く): 19050876472

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 37208741, 74417482, 148834964, 297669928, 2641820611, 5283641222, 10567282444, 21134564888]

約数ペア:

[(1, 21134564888), (2, 10567282444), (4, 5283641222), (8, 2641820611), (71, 297669928), (142, 148834964), (284, 74417482), (568, 37208741)]