21936354

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 50509440

約数和(自身を除く): 28573086

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 73, 87, 146, 157, 174, 219, 314, 319, 438, 471, 638, 803, 942, 957, 1606, 1727, 1914, 2117, 2409, 3454, 4234, 4553, 4818, 5181, 6351, 9106, 10362, 11461, 12702, 13659, 22922, 23287, 27318, 34383, 46574, 50083, 68766, 69861, 100166, 126071, 139722, 150249, 252142, 300498, 332369, 378213, 664738, 756426, 997107, 1994214, 3656059, 7312118, 10968177, 21936354]

約数ペア:

[(1, 21936354), (2, 10968177), (3, 7312118), (6, 3656059), (11, 1994214), (22, 997107), (29, 756426), (33, 664738), (58, 378213), (66, 332369), (73, 300498), (87, 252142), (146, 150249), (157, 139722), (174, 126071), (219, 100166), (314, 69861), (319, 68766), (438, 50083), (471, 46574), (638, 34383), (803, 27318), (942, 23287), (957, 22922), (1606, 13659), (1727, 12702), (1914, 11461), (2117, 10362), (2409, 9106), (3454, 6351), (4234, 5181), (4553, 4818)]