21361839

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{863}}^1$

素因数の和:1126

約数の個数: 16

約数和(自身を含む): 29417472

約数和(自身を除く): 8055633

約数列:

[1, 3, 37, 111, 223, 669, 863, 2589, 8251, 24753, 31931, 95793, 192449, 577347, 7120613, 21361839]

約数ペア:

[(1, 21361839), (3, 7120613), (37, 577347), (111, 192449), (223, 95793), (669, 31931), (863, 24753), (2589, 8251)]