21628352

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:325

約数の個数: 56

約数和(自身を含む): 46122336

約数和(自身を除く): 24493984

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 103, 136, 193, 206, 272, 386, 412, 544, 772, 824, 1088, 1544, 1648, 1751, 3088, 3281, 3296, 3502, 6176, 6562, 6592, 7004, 12352, 13124, 14008, 19879, 26248, 28016, 39758, 52496, 56032, 79516, 104992, 112064, 159032, 209984, 318064, 337943, 636128, 675886, 1272256, 1351772, 2703544, 5407088, 10814176, 21628352]

約数ペア:

[(1, 21628352), (2, 10814176), (4, 5407088), (8, 2703544), (16, 1351772), (17, 1272256), (32, 675886), (34, 636128), (64, 337943), (68, 318064), (103, 209984), (136, 159032), (193, 112064), (206, 104992), (272, 79516), (386, 56032), (412, 52496), (544, 39758), (772, 28016), (824, 26248), (1088, 19879), (1544, 14008), (1648, 13124), (1751, 12352), (3088, 7004), (3281, 6592), (3296, 6562), (3502, 6176)]