21236176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{193}}^1$

素因数の和:260

約数の個数: 60

約数和(自身を含む): 46560388

約数和(自身を除く): 25324212

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 193, 208, 299, 368, 386, 529, 598, 772, 1058, 1196, 1544, 2116, 2392, 2509, 3088, 4232, 4439, 4784, 5018, 6877, 8464, 8878, 10036, 13754, 17756, 20072, 27508, 35512, 40144, 55016, 57707, 71024, 102097, 110032, 115414, 204194, 230828, 408388, 461656, 816776, 923312, 1327261, 1633552, 2654522, 5309044, 10618088, 21236176]

約数ペア:

[(1, 21236176), (2, 10618088), (4, 5309044), (8, 2654522), (13, 1633552), (16, 1327261), (23, 923312), (26, 816776), (46, 461656), (52, 408388), (92, 230828), (104, 204194), (184, 115414), (193, 110032), (208, 102097), (299, 71024), (368, 57707), (386, 55016), (529, 40144), (598, 35512), (772, 27508), (1058, 20072), (1196, 17756), (1544, 13754), (2116, 10036), (2392, 8878), (2509, 8464), (3088, 6877), (4232, 5018), (4439, 4784)]