21029322

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{81509}}^1$

素因数の和:81557

約数の個数: 16

約数和(自身を含む): 43037280

約数和(自身を除く): 22007958

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 81509, 163018, 244527, 489054, 3504887, 7009774, 10514661, 21029322]

約数ペア:

[(1, 21029322), (2, 10514661), (3, 7009774), (6, 3504887), (43, 489054), (86, 244527), (129, 163018), (258, 81509)]