21036871

素因数分解:

${\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:410

約数の個数: 16

約数和(自身を含む): 23048064

約数和(自身を除く): 2011193

約数列:

[1, 17, 47, 113, 233, 799, 1921, 3961, 5311, 10951, 26329, 90287, 186167, 447593, 1237463, 21036871]

約数ペア:

[(1, 21036871), (17, 1237463), (47, 447593), (113, 186167), (233, 90287), (799, 26329), (1921, 10951), (3961, 5311)]