21154077

素因数分解:

$3^2\times 7^1\times {\mathrm{479}}^1\times {\mathrm{701}}^1$

素因数の和:1193

約数の個数: 24

約数和(自身を含む): 35043840

約数和(自身を除く): 13889763

約数列:

[1, 3, 7, 9, 21, 63, 479, 701, 1437, 2103, 3353, 4311, 4907, 6309, 10059, 14721, 30177, 44163, 335779, 1007337, 2350453, 3022011, 7051359, 21154077]

約数ペア:

[(1, 21154077), (3, 7051359), (7, 3022011), (9, 2350453), (21, 1007337), (63, 335779), (479, 44163), (701, 30177), (1437, 14721), (2103, 10059), (3353, 6309), (4311, 4907)]