2021963915

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1\times {\mathrm{3677}}^1$

素因数の和:5302

約数の個数: 16

約数和(自身を含む): 2462788800

約数和(自身を除く): 440824885

約数列:

[1, 5, 71, 355, 1549, 3677, 7745, 18385, 109979, 261067, 549895, 1305335, 5695673, 28478365, 404392783, 2021963915]

約数ペア:

[(1, 2021963915), (5, 404392783), (71, 28478365), (355, 5695673), (1549, 1305335), (3677, 549895), (7745, 261067), (18385, 109979)]