21550178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1871}}^1$

素因数の和:2329

約数の個数: 16

約数和(自身を含む): 34909056

約数和(自身を除く): 13358878

約数列:

[1, 2, 13, 26, 443, 886, 1871, 3742, 5759, 11518, 24323, 48646, 828853, 1657706, 10775089, 21550178]

約数ペア:

[(1, 21550178), (2, 10775089), (13, 1657706), (26, 828853), (443, 48646), (886, 24323), (1871, 11518), (3742, 5759)]