21871104

素因数分解:

$2^9\times 3^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:541

約数の個数: 80

約数和(自身を含む): 60397920

約数和(自身を除く): 38526816

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 64, 87, 96, 116, 128, 174, 192, 232, 256, 348, 384, 464, 491, 512, 696, 768, 928, 982, 1392, 1473, 1536, 1856, 1964, 2784, 2946, 3712, 3928, 5568, 5892, 7424, 7856, 11136, 11784, 14239, 14848, 15712, 22272, 23568, 28478, 31424, 42717, 44544, 47136, 56956, 62848, 85434, 94272, 113912, 125696, 170868, 188544, 227824, 251392, 341736, 377088, 455648, 683472, 754176, 911296, 1366944, 1822592, 2733888, 3645184, 5467776, 7290368, 10935552, 21871104]

約数ペア:

[(1, 21871104), (2, 10935552), (3, 7290368), (4, 5467776), (6, 3645184), (8, 2733888), (12, 1822592), (16, 1366944), (24, 911296), (29, 754176), (32, 683472), (48, 455648), (58, 377088), (64, 341736), (87, 251392), (96, 227824), (116, 188544), (128, 170868), (174, 125696), (192, 113912), (232, 94272), (256, 85434), (348, 62848), (384, 56956), (464, 47136), (491, 44544), (512, 42717), (696, 31424), (768, 28478), (928, 23568), (982, 22272), (1392, 15712), (1473, 14848), (1536, 14239), (1856, 11784), (1964, 11136), (2784, 7856), (2946, 7424), (3712, 5892), (3928, 5568)]