21162189

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1361}}^1$

素因数の和:1508

約数の個数: 16

約数和(自身を含む): 29026944

約数和(自身を除く): 7864755

約数列:

[1, 3, 71, 73, 213, 219, 1361, 4083, 5183, 15549, 96631, 99353, 289893, 298059, 7054063, 21162189]

約数ペア:

[(1, 21162189), (3, 7054063), (71, 298059), (73, 289893), (213, 99353), (219, 96631), (1361, 15549), (4083, 5183)]