21112398

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{27277}}^1$

素因数の和:27328

約数の個数: 24

約数和(自身を含む): 46809048

約数和(自身を除く): 25696650

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 27277, 54554, 81831, 163662, 245493, 490986, 1172911, 2345822, 3518733, 7037466, 10556199, 21112398]

約数ペア:

[(1, 21112398), (2, 10556199), (3, 7037466), (6, 3518733), (9, 2345822), (18, 1172911), (43, 490986), (86, 245493), (129, 163662), (258, 81831), (387, 54554), (774, 27277)]