21004782

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{49307}}^1$

素因数の和:49383

約数の個数: 16

約数和(自身を含む): 42602112

約数和(自身を除く): 21597330

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 49307, 98614, 147921, 295842, 3500797, 7001594, 10502391, 21004782]

約数ペア:

[(1, 21004782), (2, 10502391), (3, 7001594), (6, 3500797), (71, 295842), (142, 147921), (213, 98614), (426, 49307)]