21757502

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1889}}^1$

素因数の和:2347

約数の個数: 16

約数和(自身を含む): 35244720

約数和(自身を除く): 13487218

約数列:

[1, 2, 13, 26, 443, 886, 1889, 3778, 5759, 11518, 24557, 49114, 836827, 1673654, 10878751, 21757502]

約数ペア:

[(1, 21757502), (2, 10878751), (13, 1673654), (26, 836827), (443, 49114), (886, 24557), (1889, 11518), (3778, 5759)]