21243927

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1\times {\mathrm{617}}^1$

素因数の和:1142

約数の個数: 16

約数和(自身を含む): 29664000

約数和(自身を除く): 8420073

約数列:

[1, 3, 23, 69, 499, 617, 1497, 1851, 11477, 14191, 34431, 42573, 307883, 923649, 7081309, 21243927]

約数ペア:

[(1, 21243927), (3, 7081309), (23, 923649), (69, 307883), (499, 42573), (617, 34431), (1497, 14191), (1851, 11477)]