21836743045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{18719}}^1$

素因数の和:19005

約数の個数: 32

約数和(自身を含む): 28644295680

約数和(自身を除く): 6807552635

約数列:

[1, 5, 13, 65, 131, 137, 655, 685, 1703, 1781, 8515, 8905, 17947, 18719, 89735, 93595, 233311, 243347, 1166555, 1216735, 2452189, 2564503, 12260945, 12822515, 31878457, 33338539, 159392285, 166692695, 335949893, 1679749465, 4367348609, 21836743045]

約数ペア:

[(1, 21836743045), (5, 4367348609), (13, 1679749465), (65, 335949893), (131, 166692695), (137, 159392285), (655, 33338539), (685, 31878457), (1703, 12822515), (1781, 12260945), (8515, 2564503), (8905, 2452189), (17947, 1216735), (18719, 1166555), (89735, 243347), (93595, 233311)]