2021090005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{781853}}^1$

素因数の和:781916

約数の個数: 16

約数和(自身を含む): 2702087424

約数和(自身を除く): 680997419

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 781853, 3909265, 8600383, 36747091, 43001915, 183735455, 404218001, 2021090005]

約数ペア:

[(1, 2021090005), (5, 404218001), (11, 183735455), (47, 43001915), (55, 36747091), (235, 8600383), (517, 3909265), (2585, 781853)]