21567355137

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{169343}}^1$

素因数の和:169494

約数の個数: 32

約数和(自身を含む): 32920473600

約数和(自身を除く): 11353118463

約数列:

[1, 3, 9, 27, 53, 89, 159, 267, 477, 801, 1431, 2403, 4717, 14151, 42453, 127359, 169343, 508029, 1524087, 4572261, 8975179, 15071527, 26925537, 45214581, 80776611, 135643743, 242329833, 406931229, 798790931, 2396372793, 7189118379, 21567355137]

約数ペア:

[(1, 21567355137), (3, 7189118379), (9, 2396372793), (27, 798790931), (53, 406931229), (89, 242329833), (159, 135643743), (267, 80776611), (477, 45214581), (801, 26925537), (1431, 15071527), (2403, 8975179), (4717, 4572261), (14151, 1524087), (42453, 508029), (127359, 169343)]