21890792

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{35537}}^1$

素因数の和:35561

約数の個数: 32

約数和(自身を含む): 51174720

約数和(自身を除く): 29283928

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 35537, 71074, 142148, 248759, 284296, 390907, 497518, 781814, 995036, 1563628, 1990072, 2736349, 3127256, 5472698, 10945396, 21890792]

約数ペア:

[(1, 21890792), (2, 10945396), (4, 5472698), (7, 3127256), (8, 2736349), (11, 1990072), (14, 1563628), (22, 995036), (28, 781814), (44, 497518), (56, 390907), (77, 284296), (88, 248759), (154, 142148), (308, 71074), (616, 35537)]