21130376

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{4993}}^1$

素因数の和:5045

約数の個数: 24

約数和(自身を含む): 41425230

約数和(自身を除く): 20294854

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 529, 1058, 2116, 4232, 4993, 9986, 19972, 39944, 114839, 229678, 459356, 918712, 2641297, 5282594, 10565188, 21130376]

約数ペア:

[(1, 21130376), (2, 10565188), (4, 5282594), (8, 2641297), (23, 918712), (46, 459356), (92, 229678), (184, 114839), (529, 39944), (1058, 19972), (2116, 9986), (4232, 4993)]