21056824

素因数分解:

$2^3\times {\mathrm{673}}^1\times {\mathrm{3911}}^1$

素因数の和:4590

約数の個数: 16

約数和(自身を含む): 39550320

約数和(自身を除く): 18493496

約数列:

[1, 2, 4, 8, 673, 1346, 2692, 3911, 5384, 7822, 15644, 31288, 2632103, 5264206, 10528412, 21056824]

約数ペア:

[(1, 21056824), (2, 10528412), (4, 5264206), (8, 2632103), (673, 31288), (1346, 15644), (2692, 7822), (3911, 5384)]