21419552

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8693}}^1$

素因数の和:8721

約数の個数: 48

約数和(自身を含む): 52581312

約数和(自身を除く): 31161760

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8693, 17386, 34772, 60851, 69544, 95623, 121702, 139088, 191246, 243404, 278176, 382492, 486808, 669361, 764984, 973616, 1338722, 1529968, 1947232, 2677444, 3059936, 5354888, 10709776, 21419552]

約数ペア:

[(1, 21419552), (2, 10709776), (4, 5354888), (7, 3059936), (8, 2677444), (11, 1947232), (14, 1529968), (16, 1338722), (22, 973616), (28, 764984), (32, 669361), (44, 486808), (56, 382492), (77, 278176), (88, 243404), (112, 191246), (154, 139088), (176, 121702), (224, 95623), (308, 69544), (352, 60851), (616, 34772), (1232, 17386), (2464, 8693)]