21252063

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{24683}}^1$

素因数の和:24734

約数の個数: 16

約数和(自身を含む): 33175296

約数和(自身を除く): 11923233

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 24683, 74049, 172781, 518343, 1012003, 3036009, 7084021, 21252063]

約数ペア:

[(1, 21252063), (3, 7084021), (7, 3036009), (21, 1012003), (41, 518343), (123, 172781), (287, 74049), (861, 24683)]