21788503295

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{831781}}^1$

素因数の和:831843

約数の個数: 24

約数和(自身を含む): 29225492352

約数和(自身を除く): 7436989057

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 845, 2015, 5239, 26195, 831781, 4158905, 10813153, 25785211, 54065765, 128926055, 140570989, 335207743, 702854945, 1676038715, 4357700659, 21788503295]

約数ペア:

[(1, 21788503295), (5, 4357700659), (13, 1676038715), (31, 702854945), (65, 335207743), (155, 140570989), (169, 128926055), (403, 54065765), (845, 25785211), (2015, 10813153), (5239, 4158905), (26195, 831781)]