21492603

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9439}}^1$

素因数の和:9479

約数の個数: 24

約数和(自身を含む): 35343360

約数和(自身を除く): 13850757

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 9439, 28317, 84951, 103829, 217097, 311487, 651291, 934461, 1953873, 2388067, 7164201, 21492603]

約数ペア:

[(1, 21492603), (3, 7164201), (9, 2388067), (11, 1953873), (23, 934461), (33, 651291), (69, 311487), (99, 217097), (207, 103829), (253, 84951), (759, 28317), (2277, 9439)]