21843087

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{9721}}^1$

素因数の和:9838

約数の個数: 16

約数和(自身を含む): 33599232

約数和(自身を除く): 11756145

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 9721, 29163, 68047, 204141, 1040147, 3120441, 7281029, 21843087]

約数ペア:

[(1, 21843087), (3, 7281029), (7, 3120441), (21, 1040147), (107, 204141), (321, 68047), (749, 29163), (2247, 9721)]