21437271

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{4871}}^1$

素因数の和:5043

約数の個数: 16

約数和(自身を含む): 31960320

約数和(自身を除く): 10523049

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 4871, 14613, 43839, 131517, 793973, 2381919, 7145757, 21437271]

約数ペア:

[(1, 21437271), (3, 7145757), (9, 2381919), (27, 793973), (163, 131517), (489, 43839), (1467, 14613), (4401, 4871)]