21800583

素因数分解:

$3^4\times 7^1\times {\mathrm{38449}}^1$

素因数の和:38468

約数の個数: 20

約数和(自身を含む): 37219600

約数和(自身を除く): 15419017

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 38449, 115347, 269143, 346041, 807429, 1038123, 2422287, 3114369, 7266861, 21800583]

約数ペア:

[(1, 21800583), (3, 7266861), (7, 3114369), (9, 2422287), (21, 1038123), (27, 807429), (63, 346041), (81, 269143), (189, 115347), (567, 38449)]