21336438145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2790901}}^1$

素因数の和:2791056

約数の個数: 16

約数和(自身を含む): 28132292160

約数和(自身を除く): 6795854015

約数列:

[1, 5, 11, 55, 139, 695, 1529, 7645, 2790901, 13954505, 30699911, 153499555, 387935239, 1939676195, 4267287629, 21336438145]

約数ペア:

[(1, 21336438145), (5, 4267287629), (11, 1939676195), (55, 387935239), (139, 153499555), (695, 30699911), (1529, 13954505), (7645, 2790901)]