21024784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7027}}^1$

素因数の和:7063

約数の個数: 40

約数和(自身を含む): 47059488

約数和(自身を除く): 26034704

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 7027, 14054, 28108, 56216, 77297, 112432, 119459, 154594, 238918, 309188, 477836, 618376, 955672, 1236752, 1314049, 1911344, 2628098, 5256196, 10512392, 21024784]

約数ペア:

[(1, 21024784), (2, 10512392), (4, 5256196), (8, 2628098), (11, 1911344), (16, 1314049), (17, 1236752), (22, 955672), (34, 618376), (44, 477836), (68, 309188), (88, 238918), (136, 154594), (176, 119459), (187, 112432), (272, 77297), (374, 56216), (748, 28108), (1496, 14054), (2992, 7027)]