21000984031

素因数分解:

${\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{1572283}}^1$

素因数の和:1572358

約数の個数: 12

約数和(自身を含む): 22763527752

約数和(自身を除く): 1762543721

約数列:

[1, 19, 37, 361, 703, 13357, 1572283, 29873377, 58174471, 567594163, 1105314949, 21000984031]

約数ペア:

[(1, 21000984031), (19, 1105314949), (37, 567594163), (361, 58174471), (703, 29873377), (13357, 1572283)]