21090318

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{85733}}^1$

素因数の和:85779

約数の個数: 16

約数和(自身を含む): 43209936

約数和(自身を除く): 22119618

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 85733, 171466, 257199, 514398, 3515053, 7030106, 10545159, 21090318]

約数ペア:

[(1, 21090318), (2, 10545159), (3, 7030106), (6, 3515053), (41, 514398), (82, 257199), (123, 171466), (246, 85733)]