21039006

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^2\times {\mathrm{509}}^1$

素因数の和:680

約数の個数: 24

約数和(自身を含む): 42674760

約数和(自身を除く): 21635754

約数列:

[1, 2, 3, 6, 83, 166, 249, 498, 509, 1018, 1527, 3054, 6889, 13778, 20667, 41334, 42247, 84494, 126741, 253482, 3506501, 7013002, 10519503, 21039006]

約数ペア:

[(1, 21039006), (2, 10519503), (3, 7013002), (6, 3506501), (83, 253482), (166, 126741), (249, 84494), (498, 42247), (509, 41334), (1018, 20667), (1527, 13778), (3054, 6889)]