21359322

素因数分解:

$2^1\times 3^3\times {\mathrm{395543}}^1$

素因数の和:395554

約数の個数: 16

約数和(自身を含む): 47465280

約数和(自身を除く): 26105958

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 395543, 791086, 1186629, 2373258, 3559887, 7119774, 10679661, 21359322]

約数ペア:

[(1, 21359322), (2, 10679661), (3, 7119774), (6, 3559887), (9, 2373258), (18, 1186629), (27, 791086), (54, 395543)]