21000688303

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{2711}}^1$

素因数の和:3067

約数の個数: 32

約数和(自身を含む): 24785510400

約数和(自身を除く): 3784822097

約数列:

[1, 7, 67, 83, 199, 469, 581, 1393, 2711, 5561, 13333, 16517, 18977, 38927, 93331, 115619, 181637, 225013, 539489, 1106639, 1271459, 1575091, 3776423, 7746473, 15075871, 36145763, 44777587, 105531097, 253020341, 313443109, 3000098329, 21000688303]

約数ペア:

[(1, 21000688303), (7, 3000098329), (67, 313443109), (83, 253020341), (199, 105531097), (469, 44777587), (581, 36145763), (1393, 15075871), (2711, 7746473), (5561, 3776423), (13333, 1575091), (16517, 1271459), (18977, 1106639), (38927, 539489), (93331, 225013), (115619, 181637)]