21189906

素因数分解:

$2^1\times 3^2\times {\mathrm{223}}^1\times {\mathrm{5279}}^1$

素因数の和:5510

約数の個数: 24

約数和(自身を含む): 46126080

約数和(自身を除く): 24936174

約数列:

[1, 2, 3, 6, 9, 18, 223, 446, 669, 1338, 2007, 4014, 5279, 10558, 15837, 31674, 47511, 95022, 1177217, 2354434, 3531651, 7063302, 10594953, 21189906]

約数ペア:

[(1, 21189906), (2, 10594953), (3, 7063302), (6, 3531651), (9, 2354434), (18, 1177217), (223, 95022), (446, 47511), (669, 31674), (1338, 15837), (2007, 10558), (4014, 5279)]