21636406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{2003}}^1$

素因数の和:2507

約数の個数: 16

約数和(自身を含む): 35494848

約数和(自身を除く): 13858442

約数列:

[1, 2, 11, 22, 491, 982, 2003, 4006, 5401, 10802, 22033, 44066, 983473, 1966946, 10818203, 21636406]

約数ペア:

[(1, 21636406), (2, 10818203), (11, 1966946), (22, 983473), (491, 44066), (982, 22033), (2003, 10802), (4006, 5401)]