21800807

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2053}}^1$

素因数の和:2138

約数の個数: 16

約数和(自身を含む): 26225472

約数和(自身を除く): 4424665

約数列:

[1, 7, 37, 41, 259, 287, 1517, 2053, 10619, 14371, 75961, 84173, 531727, 589211, 3114401, 21800807]

約数ペア:

[(1, 21800807), (7, 3114401), (37, 589211), (41, 531727), (259, 84173), (287, 75961), (1517, 14371), (2053, 10619)]