21557606

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41617}}^1$

素因数の和:41663

約数の個数: 16

約数和(自身を含む): 37955616

約数和(自身を除く): 16398010

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 41617, 83234, 291319, 582638, 1539829, 3079658, 10778803, 21557606]

約数ペア:

[(1, 21557606), (2, 10778803), (7, 3079658), (14, 1539829), (37, 582638), (74, 291319), (259, 83234), (518, 41617)]