21116264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{733}}^1$

素因数の和:1029

約数の個数: 32

約数和(自身を含む): 42850920

約数和(自身を除く): 21734656

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 277, 554, 733, 1108, 1466, 2216, 2932, 3601, 5864, 7202, 9529, 14404, 19058, 28808, 38116, 76232, 203041, 406082, 812164, 1624328, 2639533, 5279066, 10558132, 21116264]

約数ペア:

[(1, 21116264), (2, 10558132), (4, 5279066), (8, 2639533), (13, 1624328), (26, 812164), (52, 406082), (104, 203041), (277, 76232), (554, 38116), (733, 28808), (1108, 19058), (1466, 14404), (2216, 9529), (2932, 7202), (3601, 5864)]