21331015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1487}}^1$

素因数の和:1662

約数の個数: 16

約数和(自身を含む): 27141120

約数和(自身を除く): 5810105

約数列:

[1, 5, 19, 95, 151, 755, 1487, 2869, 7435, 14345, 28253, 141265, 224537, 1122685, 4266203, 21331015]

約数ペア:

[(1, 21331015), (5, 4266203), (19, 1122685), (95, 224537), (151, 141265), (755, 28253), (1487, 14345), (2869, 7435)]