21015302

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136463}}^1$

素因数の和:136483

約数の個数: 16

約数和(自身を含む): 39301632

約数和(自身を除く): 18286330

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 136463, 272926, 955241, 1501093, 1910482, 3002186, 10507651, 21015302]

約数ペア:

[(1, 21015302), (2, 10507651), (7, 3002186), (11, 1910482), (14, 1501093), (22, 955241), (77, 272926), (154, 136463)]