21617792

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1049}}^1$

素因数の和:1093

約数の個数: 64

約数和(自身を含む): 51408000

約数和(自身を除く): 29790208

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 322, 368, 448, 644, 736, 896, 1049, 1288, 1472, 2098, 2576, 2944, 4196, 5152, 7343, 8392, 10304, 14686, 16784, 20608, 24127, 29372, 33568, 48254, 58744, 67136, 96508, 117488, 134272, 168889, 193016, 234976, 337778, 386032, 469952, 675556, 772064, 939904, 1351112, 1544128, 2702224, 3088256, 5404448, 10808896, 21617792]

約数ペア:

[(1, 21617792), (2, 10808896), (4, 5404448), (7, 3088256), (8, 2702224), (14, 1544128), (16, 1351112), (23, 939904), (28, 772064), (32, 675556), (46, 469952), (56, 386032), (64, 337778), (92, 234976), (112, 193016), (128, 168889), (161, 134272), (184, 117488), (224, 96508), (322, 67136), (368, 58744), (448, 48254), (644, 33568), (736, 29372), (896, 24127), (1049, 20608), (1288, 16784), (1472, 14686), (2098, 10304), (2576, 8392), (2944, 7343), (4196, 5152)]