21481863

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{32401}}^1$

素因数の和:32434

約数の個数: 16

約数和(自身を含む): 32661216

約数和(自身を除く): 11179353

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 32401, 97203, 421213, 550817, 1263639, 1652451, 7160621, 21481863]

約数ペア:

[(1, 21481863), (3, 7160621), (13, 1652451), (17, 1263639), (39, 550817), (51, 421213), (221, 97203), (663, 32401)]