21054762

素因数分解:

$2^1\times 3^3\times {\mathrm{389903}}^1$

素因数の和:389914

約数の個数: 16

約数和(自身を含む): 46788480

約数和(自身を除く): 25733718

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 389903, 779806, 1169709, 2339418, 3509127, 7018254, 10527381, 21054762]

約数ペア:

[(1, 21054762), (2, 10527381), (3, 7018254), (6, 3509127), (9, 2339418), (18, 1169709), (27, 779806), (54, 389903)]