21423831

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49939}}^1$

素因数の和:49966

約数の個数: 16

約数和(自身を含む): 33559680

約数和(自身を除く): 12135849

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 49939, 149817, 549329, 649207, 1647987, 1947621, 7141277, 21423831]

約数ペア:

[(1, 21423831), (3, 7141277), (11, 1947621), (13, 1647987), (33, 649207), (39, 549329), (143, 149817), (429, 49939)]