21749613

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{1229}}^1$

素因数の和:1596

約数の個数: 16

約数和(自身を含む): 30818880

約数和(自身を除く): 9069267

約数列:

[1, 3, 17, 51, 347, 1041, 1229, 3687, 5899, 17697, 20893, 62679, 426463, 1279389, 7249871, 21749613]

約数ペア:

[(1, 21749613), (3, 7249871), (17, 1279389), (51, 426463), (347, 62679), (1041, 20893), (1229, 17697), (3687, 5899)]