21894232

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 47196000

約数和(自身を除く): 25301768

約数列:

[1, 2, 4, 8, 17, 19, 34, 37, 38, 68, 74, 76, 136, 148, 152, 229, 296, 323, 458, 629, 646, 703, 916, 1258, 1292, 1406, 1832, 2516, 2584, 2812, 3893, 4351, 5032, 5624, 7786, 8473, 8702, 11951, 15572, 16946, 17404, 23902, 31144, 33892, 34808, 47804, 67784, 73967, 95608, 144041, 147934, 160987, 288082, 295868, 321974, 576164, 591736, 643948, 1152328, 1287896, 2736779, 5473558, 10947116, 21894232]

約数ペア:

[(1, 21894232), (2, 10947116), (4, 5473558), (8, 2736779), (17, 1287896), (19, 1152328), (34, 643948), (37, 591736), (38, 576164), (68, 321974), (74, 295868), (76, 288082), (136, 160987), (148, 147934), (152, 144041), (229, 95608), (296, 73967), (323, 67784), (458, 47804), (629, 34808), (646, 33892), (703, 31144), (916, 23902), (1258, 17404), (1292, 16946), (1406, 15572), (1832, 11951), (2516, 8702), (2584, 8473), (2812, 7786), (3893, 5624), (4351, 5032)]