21466809

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8737}}^1$

素因数の和:8766

約数の個数: 32

約数和(自身を含む): 39146240

約数和(自身を除く): 17679431

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8737, 26211, 61159, 78633, 113581, 183477, 235899, 340743, 550431, 795067, 1022229, 1651293, 2385201, 3066687, 7155603, 21466809]

約数ペア:

[(1, 21466809), (3, 7155603), (7, 3066687), (9, 2385201), (13, 1651293), (21, 1022229), (27, 795067), (39, 550431), (63, 340743), (91, 235899), (117, 183477), (189, 113581), (273, 78633), (351, 61159), (819, 26211), (2457, 8737)]