21280840757

素因数分解:

${\mathrm{11}}^2\times {\mathrm{463}}^1\times {\mathrm{379859}}^1$

素因数の和:380344

約数の個数: 12

約数和(自身を含む): 23441920320

約数和(自身を除く): 2161079563

約数列:

[1, 11, 121, 463, 5093, 56023, 379859, 4178449, 45962939, 175874717, 1934621887, 21280840757]

約数ペア:

[(1, 21280840757), (11, 1934621887), (121, 175874717), (463, 45962939), (5093, 4178449), (56023, 379859)]