21775042081

素因数分解:

${\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{87959}}^1$

素因数の和:88248

約数の個数: 16

約数和(自身を含む): 23791420800

約数和(自身を除く): 2016378719

約数列:

[1, 13, 137, 139, 1781, 1807, 19043, 87959, 247559, 1143467, 12050383, 12226301, 156654979, 158941913, 1675003237, 21775042081]

約数ペア:

[(1, 21775042081), (13, 1675003237), (137, 158941913), (139, 156654979), (1781, 12226301), (1807, 12050383), (19043, 1143467), (87959, 247559)]