21485381

素因数分解:

${\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:376

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 1738939

約数列:

[1, 23, 59, 71, 223, 1357, 1633, 4189, 5129, 13157, 15833, 96347, 302611, 364159, 934147, 21485381]

約数ペア:

[(1, 21485381), (23, 934147), (59, 364159), (71, 302611), (223, 96347), (1357, 15833), (1633, 13157), (4189, 5129)]