21278022

素因数分解:

$2^1\times 3^1\times {\mathrm{563}}^1\times {\mathrm{6299}}^1$

素因数の和:6867

約数の個数: 16

約数和(自身を含む): 42638400

約数和(自身を除く): 21360378

約数列:

[1, 2, 3, 6, 563, 1126, 1689, 3378, 6299, 12598, 18897, 37794, 3546337, 7092674, 10639011, 21278022]

約数ペア:

[(1, 21278022), (2, 10639011), (3, 7092674), (6, 3546337), (563, 37794), (1126, 18897), (1689, 12598), (3378, 6299)]