21804918

素因数分解:

$2^1\times 3^1\times {\mathrm{1229}}^1\times {\mathrm{2957}}^1$

素因数の和:4191

約数の個数: 16

約数和(自身を含む): 43660080

約数和(自身を除く): 21855162

約数列:

[1, 2, 3, 6, 1229, 2458, 2957, 3687, 5914, 7374, 8871, 17742, 3634153, 7268306, 10902459, 21804918]

約数ペア:

[(1, 21804918), (2, 10902459), (3, 7268306), (6, 3634153), (1229, 17742), (2458, 8871), (2957, 7374), (3687, 5914)]