21713211

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{61861}}^1$

素因数の和:61883

約数の個数: 16

約数和(自身を含む): 34642720

約数和(自身を除く): 12929509

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 61861, 185583, 556749, 804193, 1670247, 2412579, 7237737, 21713211]

約数ペア:

[(1, 21713211), (3, 7237737), (9, 2412579), (13, 1670247), (27, 804193), (39, 556749), (117, 185583), (351, 61861)]