21656448

素因数分解:

$2^7\times 3^2\times {\mathrm{11}}^1\times {\mathrm{1709}}^1$

素因数の和:1740

約数の個数: 96

約数和(自身を含む): 68023800

約数和(自身を除く): 46367352

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 128, 132, 144, 176, 192, 198, 264, 288, 352, 384, 396, 528, 576, 704, 792, 1056, 1152, 1408, 1584, 1709, 2112, 3168, 3418, 4224, 5127, 6336, 6836, 10254, 12672, 13672, 15381, 18799, 20508, 27344, 30762, 37598, 41016, 54688, 56397, 61524, 75196, 82032, 109376, 112794, 123048, 150392, 164064, 169191, 218752, 225588, 246096, 300784, 328128, 338382, 451176, 492192, 601568, 656256, 676764, 902352, 984384, 1203136, 1353528, 1804704, 1968768, 2406272, 2707056, 3609408, 5414112, 7218816, 10828224, 21656448]

約数ペア:

[(1, 21656448), (2, 10828224), (3, 7218816), (4, 5414112), (6, 3609408), (8, 2707056), (9, 2406272), (11, 1968768), (12, 1804704), (16, 1353528), (18, 1203136), (22, 984384), (24, 902352), (32, 676764), (33, 656256), (36, 601568), (44, 492192), (48, 451176), (64, 338382), (66, 328128), (72, 300784), (88, 246096), (96, 225588), (99, 218752), (128, 169191), (132, 164064), (144, 150392), (176, 123048), (192, 112794), (198, 109376), (264, 82032), (288, 75196), (352, 61524), (384, 56397), (396, 54688), (528, 41016), (576, 37598), (704, 30762), (792, 27344), (1056, 20508), (1152, 18799), (1408, 15381), (1584, 13672), (1709, 12672), (2112, 10254), (3168, 6836), (3418, 6336), (4224, 5127)]