21950439

素因数分解:

$3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{2381}}^1$

素因数の和:2830

約数の個数: 16

約数和(自身を含む): 33538560

約数和(自身を除く): 11588121

約数列:

[1, 3, 7, 21, 439, 1317, 2381, 3073, 7143, 9219, 16667, 50001, 1045259, 3135777, 7316813, 21950439]

約数ペア:

[(1, 21950439), (3, 7316813), (7, 3135777), (21, 1045259), (439, 50001), (1317, 16667), (2381, 9219), (3073, 7143)]