21069417095

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1\times {\mathrm{76771}}^1$

素因数の和:77326

約数の個数: 16

約数和(自身を含む): 25537438080

約数和(自身を除く): 4468020985

約数列:

[1, 5, 131, 419, 655, 2095, 54889, 76771, 274445, 383855, 10057001, 32167049, 50285005, 160835245, 4213883419, 21069417095]

約数ペア:

[(1, 21069417095), (5, 4213883419), (131, 160835245), (419, 50285005), (655, 32167049), (2095, 10057001), (54889, 383855), (76771, 274445)]