21333805

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1481}}^1$

素因数の和:1596

約数の個数: 16

約数和(自身を含む): 26604864

約数和(自身を除く): 5271059

約数列:

[1, 5, 43, 67, 215, 335, 1481, 2881, 7405, 14405, 63683, 99227, 318415, 496135, 4266761, 21333805]

約数ペア:

[(1, 21333805), (5, 4266761), (43, 496135), (67, 318415), (215, 99227), (335, 63683), (1481, 14405), (2881, 7405)]