21238176

素因数分解:

$2^5\times 3^1\times {\mathrm{197}}^1\times {\mathrm{1123}}^1$

素因数の和:1333

約数の個数: 48

約数和(自身を含む): 56083104

約数和(自身を除く): 34844928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 197, 394, 591, 788, 1123, 1182, 1576, 2246, 2364, 3152, 3369, 4492, 4728, 6304, 6738, 8984, 9456, 13476, 17968, 18912, 26952, 35936, 53904, 107808, 221231, 442462, 663693, 884924, 1327386, 1769848, 2654772, 3539696, 5309544, 7079392, 10619088, 21238176]

約数ペア:

[(1, 21238176), (2, 10619088), (3, 7079392), (4, 5309544), (6, 3539696), (8, 2654772), (12, 1769848), (16, 1327386), (24, 884924), (32, 663693), (48, 442462), (96, 221231), (197, 107808), (394, 53904), (591, 35936), (788, 26952), (1123, 18912), (1182, 17968), (1576, 13476), (2246, 9456), (2364, 8984), (3152, 6738), (3369, 6304), (4492, 4728)]