21167177239

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1091}}^1\times {\mathrm{1553}}^1$

素因数の和:2719

約数の個数: 24

約数和(自身を含む): 23591249136

約数和(自身を除く): 2424071897

約数列:

[1, 13, 31, 403, 961, 1091, 1553, 12493, 14183, 20189, 33821, 48143, 439673, 625859, 1048451, 1492433, 1694323, 13629863, 19401629, 22026199, 52524013, 682812169, 1628244403, 21167177239]

約数ペア:

[(1, 21167177239), (13, 1628244403), (31, 682812169), (403, 52524013), (961, 22026199), (1091, 19401629), (1553, 13629863), (12493, 1694323), (14183, 1492433), (20189, 1048451), (33821, 625859), (48143, 439673)]