21894609

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{2753}}^1$

素因数の和:3008

約数の個数: 16

約数和(自身を含む): 31990464

約数和(自身を除く): 10095855

約数列:

[1, 3, 11, 33, 241, 723, 2651, 2753, 7953, 8259, 30283, 90849, 663473, 1990419, 7298203, 21894609]

約数ペア:

[(1, 21894609), (3, 7298203), (11, 1990419), (33, 663473), (241, 90849), (723, 30283), (2651, 8259), (2753, 7953)]