21260559

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{823}}^1$

素因数の和:1014

約数の個数: 16

約数和(自身を含む): 29004800

約数和(自身を除く): 7744241

約数列:

[1, 3, 79, 109, 237, 327, 823, 2469, 8611, 25833, 65017, 89707, 195051, 269121, 7086853, 21260559]

約数ペア:

[(1, 21260559), (3, 7086853), (79, 269121), (109, 195051), (237, 89707), (327, 65017), (823, 25833), (2469, 8611)]