21346808

素因数分解:

$2^3\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1301}}^1$

素因数の和:1607

約数の個数: 32

約数和(自身を含む): 45934560

約数和(自身を除く): 24587752

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 293, 586, 1172, 1301, 2051, 2344, 2602, 4102, 5204, 8204, 9107, 10408, 16408, 18214, 36428, 72856, 381193, 762386, 1524772, 2668351, 3049544, 5336702, 10673404, 21346808]

約数ペア:

[(1, 21346808), (2, 10673404), (4, 5336702), (7, 3049544), (8, 2668351), (14, 1524772), (28, 762386), (56, 381193), (293, 72856), (586, 36428), (1172, 18214), (1301, 16408), (2051, 10408), (2344, 9107), (2602, 8204), (4102, 5204)]