21050673

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16433}}^1$

素因数の和:16504

約数の個数: 16

約数和(自身を含む): 32605056

約数和(自身を除く): 11554383

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 16433, 49299, 115031, 345093, 1002413, 3007239, 7016891, 21050673]

約数ペア:

[(1, 21050673), (3, 7016891), (7, 3007239), (21, 1002413), (61, 345093), (183, 115031), (427, 49299), (1281, 16433)]