21645708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257687}}^1$

素因数の和:257701

約数の個数: 24

約数和(自身を含む): 57722112

約数和(自身を除く): 36076404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257687, 515374, 773061, 1030748, 1546122, 1803809, 3092244, 3607618, 5411427, 7215236, 10822854, 21645708]

約数ペア:

[(1, 21645708), (2, 10822854), (3, 7215236), (4, 5411427), (6, 3607618), (7, 3092244), (12, 1803809), (14, 1546122), (21, 1030748), (28, 773061), (42, 515374), (84, 257687)]