21187232

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2617}}^1$

素因数の和:2661

約数の個数: 48

約数和(自身を含む): 47500992

約数和(自身を除く): 26313760

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 88, 92, 176, 184, 253, 352, 368, 506, 736, 1012, 2024, 2617, 4048, 5234, 8096, 10468, 20936, 28787, 41872, 57574, 60191, 83744, 115148, 120382, 230296, 240764, 460592, 481528, 662101, 921184, 963056, 1324202, 1926112, 2648404, 5296808, 10593616, 21187232]

約数ペア:

[(1, 21187232), (2, 10593616), (4, 5296808), (8, 2648404), (11, 1926112), (16, 1324202), (22, 963056), (23, 921184), (32, 662101), (44, 481528), (46, 460592), (88, 240764), (92, 230296), (176, 120382), (184, 115148), (253, 83744), (352, 60191), (368, 57574), (506, 41872), (736, 28787), (1012, 20936), (2024, 10468), (2617, 8096), (4048, 5234)]