21777954

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{329969}}^1$

素因数の和:329985

約数の個数: 16

約数和(自身を含む): 47515680

約数和(自身を除く): 25737726

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 329969, 659938, 989907, 1979814, 3629659, 7259318, 10888977, 21777954]

約数ペア:

[(1, 21777954), (2, 10888977), (3, 7259318), (6, 3629659), (11, 1979814), (22, 989907), (33, 659938), (66, 329969)]