21989014775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9665501}}^1$

素因数の和:9665531

約数の個数: 24

約数和(自身を含む): 33558622944

約数和(自身を除く): 11569608169

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 9665501, 48327505, 67658507, 125651513, 241637525, 338292535, 628257565, 879560591, 1691462675, 3141287825, 4397802955, 21989014775]

約数ペア:

[(1, 21989014775), (5, 4397802955), (7, 3141287825), (13, 1691462675), (25, 879560591), (35, 628257565), (65, 338292535), (91, 241637525), (175, 125651513), (325, 67658507), (455, 48327505), (2275, 9665501)]