21474816

素因数分解:

$2^9\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:104

約数の個数: 160

約数和(自身を含む): 65995776

約数和(自身を除く): 44520960

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 41, 44, 48, 62, 64, 66, 82, 88, 93, 96, 123, 124, 128, 132, 164, 176, 186, 192, 246, 248, 256, 264, 328, 341, 352, 372, 384, 451, 492, 496, 512, 528, 656, 682, 704, 744, 768, 902, 984, 992, 1023, 1056, 1271, 1312, 1353, 1364, 1408, 1488, 1536, 1804, 1968, 1984, 2046, 2112, 2542, 2624, 2706, 2728, 2816, 2976, 3608, 3813, 3936, 3968, 4092, 4224, 5084, 5248, 5412, 5456, 5632, 5952, 7216, 7626, 7872, 7936, 8184, 8448, 10168, 10496, 10824, 10912, 11904, 13981, 14432, 15252, 15744, 15872, 16368, 16896, 20336, 20992, 21648, 21824, 23808, 27962, 28864, 30504, 31488, 32736, 40672, 41943, 43296, 43648, 47616, 55924, 57728, 61008, 62976, 65472, 81344, 83886, 86592, 87296, 111848, 115456, 122016, 130944, 162688, 167772, 173184, 174592, 223696, 230912, 244032, 261888, 325376, 335544, 346368, 447392, 488064, 523776, 650752, 671088, 692736, 894784, 976128, 1342176, 1789568, 1952256, 2684352, 3579136, 5368704, 7158272, 10737408, 21474816]

約数ペア:

[(1, 21474816), (2, 10737408), (3, 7158272), (4, 5368704), (6, 3579136), (8, 2684352), (11, 1952256), (12, 1789568), (16, 1342176), (22, 976128), (24, 894784), (31, 692736), (32, 671088), (33, 650752), (41, 523776), (44, 488064), (48, 447392), (62, 346368), (64, 335544), (66, 325376), (82, 261888), (88, 244032), (93, 230912), (96, 223696), (123, 174592), (124, 173184), (128, 167772), (132, 162688), (164, 130944), (176, 122016), (186, 115456), (192, 111848), (246, 87296), (248, 86592), (256, 83886), (264, 81344), (328, 65472), (341, 62976), (352, 61008), (372, 57728), (384, 55924), (451, 47616), (492, 43648), (496, 43296), (512, 41943), (528, 40672), (656, 32736), (682, 31488), (704, 30504), (744, 28864), (768, 27962), (902, 23808), (984, 21824), (992, 21648), (1023, 20992), (1056, 20336), (1271, 16896), (1312, 16368), (1353, 15872), (1364, 15744), (1408, 15252), (1488, 14432), (1536, 13981), (1804, 11904), (1968, 10912), (1984, 10824), (2046, 10496), (2112, 10168), (2542, 8448), (2624, 8184), (2706, 7936), (2728, 7872), (2816, 7626), (2976, 7216), (3608, 5952), (3813, 5632), (3936, 5456), (3968, 5412), (4092, 5248), (4224, 5084)]