21998520049

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1\times {\mathrm{78007}}^1$

素因数の和:78876

約数の個数: 16

約数和(自身を含む): 24802799616

約数和(自身を除く): 2804279567

約数列:

[1, 11, 31, 341, 827, 9097, 25637, 78007, 282007, 858077, 2418217, 26600387, 64511789, 709629679, 1999865459, 21998520049]

約数ペア:

[(1, 21998520049), (11, 1999865459), (31, 709629679), (341, 64511789), (827, 26600387), (9097, 2418217), (25637, 858077), (78007, 282007)]