21000908031

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{14561}}^1\times {\mathrm{25303}}^1$

素因数の和:39886

約数の個数: 16

約数和(自身を含む): 29478147840

約数和(自身を除く): 8477239809

約数列:

[1, 3, 19, 57, 14561, 25303, 43683, 75909, 276659, 480757, 829977, 1442271, 368436983, 1105310949, 7000302677, 21000908031]

約数ペア:

[(1, 21000908031), (3, 7000302677), (19, 1105310949), (57, 368436983), (14561, 1442271), (25303, 829977), (43683, 480757), (75909, 276659)]