21887301

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1\times {\mathrm{443}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 30007296

約数和(自身を除く): 8119995

約数列:

[1, 3, 43, 129, 383, 443, 1149, 1329, 16469, 19049, 49407, 57147, 169669, 509007, 7295767, 21887301]

約数ペア:

[(1, 21887301), (3, 7295767), (43, 509007), (129, 169669), (383, 57147), (443, 49407), (1149, 19049), (1329, 16469)]