21190071

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{24611}}^1$

素因数の和:24662

約数の個数: 16

約数和(自身を含む): 33078528

約数和(自身を除く): 11888457

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 24611, 73833, 172277, 516831, 1009051, 3027153, 7063357, 21190071]

約数ペア:

[(1, 21190071), (3, 7063357), (7, 3027153), (21, 1009051), (41, 516831), (123, 172277), (287, 73833), (861, 24611)]