21647324

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{13841}}^1$

素因数の和:13885

約数の個数: 24

約数和(自身を含む): 41858208

約数和(自身を除く): 20210884

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564, 13841, 27682, 55364, 235297, 318343, 470594, 636686, 941188, 1273372, 5411831, 10823662, 21647324]

約数ペア:

[(1, 21647324), (2, 10823662), (4, 5411831), (17, 1273372), (23, 941188), (34, 636686), (46, 470594), (68, 318343), (92, 235297), (391, 55364), (782, 27682), (1564, 13841)]