21963429

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 32722560

約数和(自身を除く): 10759131

約数列:

[1, 3, 9, 47, 137, 141, 379, 411, 423, 1137, 1233, 3411, 6439, 17813, 19317, 51923, 53439, 57951, 155769, 160317, 467307, 2440381, 7321143, 21963429]

約数ペア:

[(1, 21963429), (3, 7321143), (9, 2440381), (47, 467307), (137, 160317), (141, 155769), (379, 57951), (411, 53439), (423, 51923), (1137, 19317), (1233, 17813), (3411, 6439)]