21168906

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{320741}}^1$

素因数の和:320757

約数の個数: 16

約数和(自身を含む): 46186848

約数和(自身を除く): 25017942

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 320741, 641482, 962223, 1924446, 3528151, 7056302, 10584453, 21168906]

約数ペア:

[(1, 21168906), (2, 10584453), (3, 7056302), (6, 3528151), (11, 1924446), (22, 962223), (33, 641482), (66, 320741)]