21969024

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{743}}^1$

素因数の和:778

約数の個数: 128

約数和(自身を含む): 72852480

約数和(自身を除く): 50883456

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 64, 66, 77, 84, 88, 96, 112, 128, 132, 154, 168, 176, 192, 224, 231, 264, 308, 336, 352, 384, 448, 462, 528, 616, 672, 704, 743, 896, 924, 1056, 1232, 1344, 1408, 1486, 1848, 2112, 2229, 2464, 2688, 2972, 3696, 4224, 4458, 4928, 5201, 5944, 7392, 8173, 8916, 9856, 10402, 11888, 14784, 15603, 16346, 17832, 20804, 23776, 24519, 29568, 31206, 32692, 35664, 41608, 47552, 49038, 57211, 62412, 65384, 71328, 83216, 95104, 98076, 114422, 124824, 130768, 142656, 166432, 171633, 196152, 228844, 249648, 261536, 285312, 332864, 343266, 392304, 457688, 499296, 523072, 665728, 686532, 784608, 915376, 998592, 1046144, 1373064, 1569216, 1830752, 1997184, 2746128, 3138432, 3661504, 5492256, 7323008, 10984512, 21969024]

約数ペア:

[(1, 21969024), (2, 10984512), (3, 7323008), (4, 5492256), (6, 3661504), (7, 3138432), (8, 2746128), (11, 1997184), (12, 1830752), (14, 1569216), (16, 1373064), (21, 1046144), (22, 998592), (24, 915376), (28, 784608), (32, 686532), (33, 665728), (42, 523072), (44, 499296), (48, 457688), (56, 392304), (64, 343266), (66, 332864), (77, 285312), (84, 261536), (88, 249648), (96, 228844), (112, 196152), (128, 171633), (132, 166432), (154, 142656), (168, 130768), (176, 124824), (192, 114422), (224, 98076), (231, 95104), (264, 83216), (308, 71328), (336, 65384), (352, 62412), (384, 57211), (448, 49038), (462, 47552), (528, 41608), (616, 35664), (672, 32692), (704, 31206), (743, 29568), (896, 24519), (924, 23776), (1056, 20804), (1232, 17832), (1344, 16346), (1408, 15603), (1486, 14784), (1848, 11888), (2112, 10402), (2229, 9856), (2464, 8916), (2688, 8173), (2972, 7392), (3696, 5944), (4224, 5201), (4458, 4928)]