21168396

素因数分解:

$2^2\times 3^2\times {\mathrm{588011}}^1$

素因数の和:588021

約数の個数: 18

約数和(自身を含む): 53509092

約数和(自身を除く): 32340696

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 588011, 1176022, 1764033, 2352044, 3528066, 5292099, 7056132, 10584198, 21168396]

約数ペア:

[(1, 21168396), (2, 10584198), (3, 7056132), (4, 5292099), (6, 3528066), (9, 2352044), (12, 1764033), (18, 1176022), (36, 588011)]