21616672

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:342

約数の個数: 96

約数和(自身を含む): 54964224

約数和(自身を除く): 33347552

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 77, 88, 112, 124, 154, 176, 217, 224, 248, 283, 308, 341, 352, 434, 496, 566, 616, 682, 868, 992, 1132, 1232, 1364, 1736, 1981, 2264, 2387, 2464, 2728, 3113, 3472, 3962, 4528, 4774, 5456, 6226, 6944, 7924, 8773, 9056, 9548, 10912, 12452, 15848, 17546, 19096, 21791, 24904, 31696, 35092, 38192, 43582, 49808, 61411, 63392, 70184, 76384, 87164, 96503, 99616, 122822, 140368, 174328, 193006, 245644, 280736, 348656, 386012, 491288, 675521, 697312, 772024, 982576, 1351042, 1544048, 1965152, 2702084, 3088096, 5404168, 10808336, 21616672]

約数ペア:

[(1, 21616672), (2, 10808336), (4, 5404168), (7, 3088096), (8, 2702084), (11, 1965152), (14, 1544048), (16, 1351042), (22, 982576), (28, 772024), (31, 697312), (32, 675521), (44, 491288), (56, 386012), (62, 348656), (77, 280736), (88, 245644), (112, 193006), (124, 174328), (154, 140368), (176, 122822), (217, 99616), (224, 96503), (248, 87164), (283, 76384), (308, 70184), (341, 63392), (352, 61411), (434, 49808), (496, 43582), (566, 38192), (616, 35092), (682, 31696), (868, 24904), (992, 21791), (1132, 19096), (1232, 17546), (1364, 15848), (1736, 12452), (1981, 10912), (2264, 9548), (2387, 9056), (2464, 8773), (2728, 7924), (3113, 6944), (3472, 6226), (3962, 5456), (4528, 4774)]