21106293

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1997}}^1$

素因数の和:2284

約数の個数: 16

約数和(自身を含む): 30433536

約数和(自身を除く): 9327243

約数列:

[1, 3, 13, 39, 271, 813, 1997, 3523, 5991, 10569, 25961, 77883, 541187, 1623561, 7035431, 21106293]

約数ペア:

[(1, 21106293), (3, 7035431), (13, 1623561), (39, 541187), (271, 77883), (813, 25961), (1997, 10569), (3523, 5991)]