21806576

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5387}}^1$

素因数の和:5429

約数の個数: 40

約数和(自身を含む): 48104064

約数和(自身を除く): 26297488

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 5387, 10774, 21548, 43096, 59257, 86192, 118514, 123901, 237028, 247802, 474056, 495604, 948112, 991208, 1362911, 1982416, 2725822, 5451644, 10903288, 21806576]

約数ペア:

[(1, 21806576), (2, 10903288), (4, 5451644), (8, 2725822), (11, 1982416), (16, 1362911), (22, 991208), (23, 948112), (44, 495604), (46, 474056), (88, 247802), (92, 237028), (176, 123901), (184, 118514), (253, 86192), (368, 59257), (506, 43096), (1012, 21548), (2024, 10774), (4048, 5387)]