2021294890

素因数分解:

$2^1\times 5^1\times {\mathrm{18461}}^1\times {\mathrm{10949}}^1$

素因数の和:29417

約数の個数: 16

約数和(自身を含む): 3638860200

約数和(自身を除く): 1617565310

約数列:

[1, 2, 5, 10, 10949, 18461, 21898, 36922, 54745, 92305, 109490, 184610, 202129489, 404258978, 1010647445, 2021294890]

約数ペア:

[(1, 2021294890), (2, 1010647445), (5, 404258978), (10, 202129489), (10949, 184610), (18461, 109490), (21898, 92305), (36922, 54745)]