21140694

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{24989}}^1$

素因数の和:25044

約数の個数: 24

約数和(自身を含む): 46781280

約数和(自身を除く): 25640586

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 24989, 49978, 74967, 149934, 224901, 449802, 1174483, 2348966, 3523449, 7046898, 10570347, 21140694]

約数ペア:

[(1, 21140694), (2, 10570347), (3, 7046898), (6, 3523449), (9, 2348966), (18, 1174483), (47, 449802), (94, 224901), (141, 149934), (282, 74967), (423, 49978), (846, 24989)]