21143823

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{433}}^1$

素因数の和:874

約数の個数: 16

約数和(自身を含む): 29018976

約数和(自身を除く): 7875153

約数列:

[1, 3, 41, 123, 397, 433, 1191, 1299, 16277, 17753, 48831, 53259, 171901, 515703, 7047941, 21143823]

約数ペア:

[(1, 21143823), (3, 7047941), (41, 515703), (123, 171901), (397, 53259), (433, 48831), (1191, 17753), (1299, 16277)]