21370291217

素因数分解:

${\mathrm{11}}^2\times {\mathrm{659}}^1\times {\mathrm{268003}}^1$

素因数の和:268684

約数の個数: 12

約数和(自身を含む): 23525391120

約数和(自身を除く): 2155099903

約数列:

[1, 11, 121, 659, 7249, 79739, 268003, 2948033, 32428363, 176613977, 1942753747, 21370291217]

約数ペア:

[(1, 21370291217), (11, 1942753747), (121, 176613977), (659, 32428363), (7249, 2948033), (79739, 268003)]