21022394

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{1321}}^1$

素因数の和:1505

約数の個数: 16

約数和(自身を含む): 32283240

約数和(自身を除く): 11260846

約数列:

[1, 2, 73, 109, 146, 218, 1321, 2642, 7957, 15914, 96433, 143989, 192866, 287978, 10511197, 21022394]

約数ペア:

[(1, 21022394), (2, 10511197), (73, 287978), (109, 192866), (146, 143989), (218, 96433), (1321, 15914), (2642, 7957)]