2021301058

素因数分解:

$2^1\times 7^4\times {\mathrm{420929}}^1$

素因数の和:420959

約数の個数: 20

約数和(自身を含む): 3537074790

約数和(自身を除く): 1515773732

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 420929, 841858, 2946503, 5893006, 20625521, 41251042, 144378647, 288757294, 1010650529, 2021301058]

約数ペア:

[(1, 2021301058), (2, 1010650529), (7, 288757294), (14, 144378647), (49, 41251042), (98, 20625521), (343, 5893006), (686, 2946503), (2401, 841858), (4802, 420929)]