21533244

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 53329920

約数和(自身を除く): 31796676

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 61, 69, 92, 122, 138, 183, 244, 276, 366, 732, 1279, 1403, 2558, 2806, 3837, 4209, 5116, 5612, 7674, 8418, 15348, 16836, 29417, 58834, 78019, 88251, 117668, 156038, 176502, 234057, 312076, 353004, 468114, 936228, 1794437, 3588874, 5383311, 7177748, 10766622, 21533244]

約数ペア:

[(1, 21533244), (2, 10766622), (3, 7177748), (4, 5383311), (6, 3588874), (12, 1794437), (23, 936228), (46, 468114), (61, 353004), (69, 312076), (92, 234057), (122, 176502), (138, 156038), (183, 117668), (244, 88251), (276, 78019), (366, 58834), (732, 29417), (1279, 16836), (1403, 15348), (2558, 8418), (2806, 7674), (3837, 5612), (4209, 5116)]