2021619890

素因数分解:

$2^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{386543}}^1$

素因数の和:387073

約数の個数: 16

約数和(自身を含む): 3645883008

約数和(自身を除く): 1624263118

約数列:

[1, 2, 5, 10, 523, 1046, 2615, 5230, 386543, 773086, 1932715, 3865430, 202161989, 404323978, 1010809945, 2021619890]

約数ペア:

[(1, 2021619890), (2, 1010809945), (5, 404323978), (10, 202161989), (523, 3865430), (1046, 1932715), (2615, 773086), (5230, 386543)]