21365967

素因数分解:

$3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{2207}}^1$

素因数の和:2678

約数の個数: 16

約数和(自身を含む): 32643072

約数和(自身を除く): 11277105

約数列:

[1, 3, 7, 21, 461, 1383, 2207, 3227, 6621, 9681, 15449, 46347, 1017427, 3052281, 7121989, 21365967]

約数ペア:

[(1, 21365967), (3, 7121989), (7, 3052281), (21, 1017427), (461, 46347), (1383, 15449), (2207, 9681), (3227, 6621)]