21588064

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 45072720

約数和(自身を除く): 23484656

約数列:

[1, 2, 4, 8, 16, 29, 32, 43, 58, 86, 116, 172, 232, 344, 464, 541, 688, 928, 1082, 1247, 1376, 2164, 2494, 4328, 4988, 8656, 9976, 15689, 17312, 19952, 23263, 31378, 39904, 46526, 62756, 93052, 125512, 186104, 251024, 372208, 502048, 674627, 744416, 1349254, 2698508, 5397016, 10794032, 21588064]

約数ペア:

[(1, 21588064), (2, 10794032), (4, 5397016), (8, 2698508), (16, 1349254), (29, 744416), (32, 674627), (43, 502048), (58, 372208), (86, 251024), (116, 186104), (172, 125512), (232, 93052), (344, 62756), (464, 46526), (541, 39904), (688, 31378), (928, 23263), (1082, 19952), (1247, 17312), (1376, 15689), (2164, 9976), (2494, 8656), (4328, 4988)]