21266193

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{18803}}^1$

素因数の和:18848

約数の個数: 16

約数和(自身を含む): 31590720

約数和(自身を除く): 10324527

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 18803, 56409, 244439, 545287, 733317, 1635861, 7088731, 21266193]

約数ペア:

[(1, 21266193), (3, 7088731), (13, 1635861), (29, 733317), (39, 545287), (87, 244439), (377, 56409), (1131, 18803)]