21237378

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{49853}}^1$

素因数の和:49929

約数の個数: 16

約数和(自身を含む): 43073856

約数和(自身を除く): 21836478

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 49853, 99706, 149559, 299118, 3539563, 7079126, 10618689, 21237378]

約数ペア:

[(1, 21237378), (2, 10618689), (3, 7079126), (6, 3539563), (71, 299118), (142, 149559), (213, 99706), (426, 49853)]