21062397

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1571}}^1$

素因数の和:1724

約数の個数: 16

約数和(自身を含む): 29050560

約数和(自身を除く): 7988163

約数列:

[1, 3, 41, 109, 123, 327, 1571, 4469, 4713, 13407, 64411, 171239, 193233, 513717, 7020799, 21062397]

約数ペア:

[(1, 21062397), (3, 7020799), (41, 513717), (109, 193233), (123, 171239), (327, 64411), (1571, 13407), (4469, 4713)]