21859119

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{21881}}^1$

素因数の和:21927

約数の個数: 16

約数和(自身を含む): 33260640

約数和(自身を除く): 11401521

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 21881, 65643, 196929, 590787, 809597, 2428791, 7286373, 21859119]

約数ペア:

[(1, 21859119), (3, 7286373), (9, 2428791), (27, 809597), (37, 590787), (111, 196929), (333, 65643), (999, 21881)]