21843951

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1607}}^1$

素因数の和:1830

約数の個数: 16

約数和(自身を含む): 30564864

約数和(自身を除く): 8720913

約数列:

[1, 3, 23, 69, 197, 591, 1607, 4531, 4821, 13593, 36961, 110883, 316579, 949737, 7281317, 21843951]

約数ペア:

[(1, 21843951), (3, 7281317), (23, 949737), (69, 316579), (197, 110883), (591, 36961), (1607, 13593), (4531, 4821)]