21815676

素因数分解:

$2^2\times 3^3\times {\mathrm{201997}}^1$

素因数の和:202010

約数の個数: 24

約数和(自身を含む): 56559440

約数和(自身を除く): 34743764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 201997, 403994, 605991, 807988, 1211982, 1817973, 2423964, 3635946, 5453919, 7271892, 10907838, 21815676]

約数ペア:

[(1, 21815676), (2, 10907838), (3, 7271892), (4, 5453919), (6, 3635946), (9, 2423964), (12, 1817973), (18, 1211982), (27, 807988), (36, 605991), (54, 403994), (108, 201997)]