21749377

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:592

約数の個数: 16

約数和(自身を含む): 24344320

約数和(自身を除く): 2594943

約数列:

[1, 13, 37, 103, 439, 481, 1339, 3811, 5707, 16243, 45217, 49543, 211159, 587821, 1673029, 21749377]

約数ペア:

[(1, 21749377), (13, 1673029), (37, 587821), (103, 211159), (439, 49543), (481, 45217), (1339, 16243), (3811, 5707)]