21044907

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59957}}^1$

素因数の和:59979

約数の個数: 16

約数和(自身を含む): 33576480

約数和(自身を除く): 12531573

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 59957, 179871, 539613, 779441, 1618839, 2338323, 7014969, 21044907]

約数ペア:

[(1, 21044907), (3, 7014969), (9, 2338323), (13, 1618839), (27, 779441), (39, 539613), (117, 179871), (351, 59957)]