21492177

素因数分解:

$3^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1871}}^1$

素因数の和:2428

約数の個数: 16

約数和(自身を含む): 32827392

約数和(自身を除く): 11335215

約数列:

[1, 3, 7, 21, 547, 1641, 1871, 3829, 5613, 11487, 13097, 39291, 1023437, 3070311, 7164059, 21492177]

約数ペア:

[(1, 21492177), (3, 7164059), (7, 3070311), (21, 1023437), (547, 39291), (1641, 13097), (1871, 11487), (3829, 5613)]