21488993664

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{2731}}^1$

素因数の和:3440

約数の個数: 128

約数和(自身を含む): 59032181760

約数和(自身を除く): 37543188096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 372, 384, 496, 661, 744, 992, 1322, 1488, 1983, 1984, 2644, 2731, 2976, 3966, 3968, 5288, 5462, 5952, 7932, 8193, 10576, 10924, 11904, 15864, 16386, 20491, 21152, 21848, 31728, 32772, 40982, 42304, 43696, 61473, 63456, 65544, 81964, 84608, 84661, 87392, 122946, 126912, 131088, 163928, 169322, 174784, 245892, 253824, 253983, 262176, 327856, 338644, 349568, 491784, 507966, 524352, 655712, 677288, 983568, 1015932, 1048704, 1311424, 1354576, 1805191, 1967136, 2031864, 2622848, 2709152, 3610382, 3934272, 4063728, 5415573, 5418304, 7220764, 7868544, 8127456, 10831146, 10836608, 14441528, 16254912, 21662292, 28883056, 32509824, 43324584, 55960921, 57766112, 86649168, 111921842, 115532224, 167882763, 173298336, 223843684, 231064448, 335765526, 346596672, 447687368, 671531052, 693193344, 895374736, 1343062104, 1790749472, 2686124208, 3581498944, 5372248416, 7162997888, 10744496832, 21488993664]

約数ペア:

[(1, 21488993664), (2, 10744496832), (3, 7162997888), (4, 5372248416), (6, 3581498944), (8, 2686124208), (12, 1790749472), (16, 1343062104), (24, 895374736), (31, 693193344), (32, 671531052), (48, 447687368), (62, 346596672), (64, 335765526), (93, 231064448), (96, 223843684), (124, 173298336), (128, 167882763), (186, 115532224), (192, 111921842), (248, 86649168), (372, 57766112), (384, 55960921), (496, 43324584), (661, 32509824), (744, 28883056), (992, 21662292), (1322, 16254912), (1488, 14441528), (1983, 10836608), (1984, 10831146), (2644, 8127456), (2731, 7868544), (2976, 7220764), (3966, 5418304), (3968, 5415573), (5288, 4063728), (5462, 3934272), (5952, 3610382), (7932, 2709152), (8193, 2622848), (10576, 2031864), (10924, 1967136), (11904, 1805191), (15864, 1354576), (16386, 1311424), (20491, 1048704), (21152, 1015932), (21848, 983568), (31728, 677288), (32772, 655712), (40982, 524352), (42304, 507966), (43696, 491784), (61473, 349568), (63456, 338644), (65544, 327856), (81964, 262176), (84608, 253983), (84661, 253824), (87392, 245892), (122946, 174784), (126912, 169322), (131088, 163928)]