21375552385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1742809}}^1$

素因数の和:1743048

約数の個数: 16

約数和(自身を含む): 28108039680

約数和(自身を除く): 6732487295

約数列:

[1, 5, 11, 55, 223, 1115, 2453, 12265, 1742809, 8714045, 19170899, 95854495, 388646407, 1943232035, 4275110477, 21375552385]

約数ペア:

[(1, 21375552385), (5, 4275110477), (11, 1943232035), (55, 388646407), (223, 95854495), (1115, 19170899), (2453, 8714045), (12265, 1742809)]