21740509551

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{9069883}}^1$

素因数の和:9069950

約数の個数: 16

約数和(自身を含む): 31345519104

約数和(自身を除く): 9605009553

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 9069883, 27209649, 154188011, 426284501, 462564033, 1278853503, 7246836517, 21740509551]

約数ペア:

[(1, 21740509551), (3, 7246836517), (17, 1278853503), (47, 462564033), (51, 426284501), (141, 154188011), (799, 27209649), (2397, 9069883)]