20211894279

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5803013}}^1$

素因数の和:5803068

約数の個数: 20

約数和(自身を含む): 30895246536

約数和(自身を除く): 10683352257

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5803013, 17409039, 52227117, 156681351, 249529559, 470044053, 748588677, 2245766031, 6737298093, 20211894279]

約数ペア:

[(1, 20211894279), (3, 6737298093), (9, 2245766031), (27, 748588677), (43, 470044053), (81, 249529559), (129, 156681351), (387, 52227117), (1161, 17409039), (3483, 5803013)]