21093668275

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{124981}}^1$

素因数の和:125191

約数の個数: 24

約数和(自身を含む): 26935120784

約数和(自身を除く): 5841452509

約数列:

[1, 5, 25, 43, 157, 215, 785, 1075, 3925, 6751, 33755, 124981, 168775, 624905, 3124525, 5374183, 19622017, 26870915, 98110085, 134354575, 490550425, 843746731, 4218733655, 21093668275]

約数ペア:

[(1, 21093668275), (5, 4218733655), (25, 843746731), (43, 490550425), (157, 134354575), (215, 98110085), (785, 26870915), (1075, 19622017), (3925, 5374183), (6751, 3124525), (33755, 624905), (124981, 168775)]