21165152

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 43999200

約数和(自身を除く): 22834048

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 149, 184, 193, 298, 368, 386, 596, 736, 772, 1192, 1544, 2384, 3088, 3427, 4439, 4768, 6176, 6854, 8878, 13708, 17756, 27416, 28757, 35512, 54832, 57514, 71024, 109664, 115028, 142048, 230056, 460112, 661411, 920224, 1322822, 2645644, 5291288, 10582576, 21165152]

約数ペア:

[(1, 21165152), (2, 10582576), (4, 5291288), (8, 2645644), (16, 1322822), (23, 920224), (32, 661411), (46, 460112), (92, 230056), (149, 142048), (184, 115028), (193, 109664), (298, 71024), (368, 57514), (386, 54832), (596, 35512), (736, 28757), (772, 27416), (1192, 17756), (1544, 13708), (2384, 8878), (3088, 6854), (3427, 6176), (4439, 4768)]