21588656

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{3299}}^1$

素因数の和:3716

約数の個数: 20

約数和(自身を含む): 41943000

約数和(自身を除く): 20354344

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 3299, 6544, 6598, 13196, 26392, 52784, 1349291, 2698582, 5397164, 10794328, 21588656]

約数ペア:

[(1, 21588656), (2, 10794328), (4, 5397164), (8, 2698582), (16, 1349291), (409, 52784), (818, 26392), (1636, 13196), (3272, 6598), (3299, 6544)]