21560826368

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79907}}^1$

素因数の和:79973

約数の個数: 80

約数和(自身を含む): 47085629184

約数和(自身を除く): 25524802816

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 256, 272, 496, 512, 527, 544, 992, 1054, 1088, 1984, 2108, 2176, 3968, 4216, 4352, 7936, 8432, 8704, 15872, 16864, 33728, 67456, 79907, 134912, 159814, 269824, 319628, 639256, 1278512, 1358419, 2477117, 2557024, 2716838, 4954234, 5114048, 5433676, 9908468, 10228096, 10867352, 19816936, 20456192, 21734704, 39633872, 40912384, 42110989, 43469408, 79267744, 84221978, 86938816, 158535488, 168443956, 173877632, 317070976, 336887912, 347755264, 634141952, 673775824, 695510528, 1268283904, 1347551648, 2695103296, 5390206592, 10780413184, 21560826368]

約数ペア:

[(1, 21560826368), (2, 10780413184), (4, 5390206592), (8, 2695103296), (16, 1347551648), (17, 1268283904), (31, 695510528), (32, 673775824), (34, 634141952), (62, 347755264), (64, 336887912), (68, 317070976), (124, 173877632), (128, 168443956), (136, 158535488), (248, 86938816), (256, 84221978), (272, 79267744), (496, 43469408), (512, 42110989), (527, 40912384), (544, 39633872), (992, 21734704), (1054, 20456192), (1088, 19816936), (1984, 10867352), (2108, 10228096), (2176, 9908468), (3968, 5433676), (4216, 5114048), (4352, 4954234), (7936, 2716838), (8432, 2557024), (8704, 2477117), (15872, 1358419), (16864, 1278512), (33728, 639256), (67456, 319628), (79907, 269824), (134912, 159814)]