21739256

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{35291}}^1$

素因数の和:35315

約数の個数: 32

約数和(自身を含む): 50820480

約数和(自身を除く): 29081224

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 35291, 70582, 141164, 247037, 282328, 388201, 494074, 776402, 988148, 1552804, 1976296, 2717407, 3105608, 5434814, 10869628, 21739256]

約数ペア:

[(1, 21739256), (2, 10869628), (4, 5434814), (7, 3105608), (8, 2717407), (11, 1976296), (14, 1552804), (22, 988148), (28, 776402), (44, 494074), (56, 388201), (77, 282328), (88, 247037), (154, 141164), (308, 70582), (616, 35291)]