21239691

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{2693}}^1$

素因数の和:2946

約数の個数: 16

約数和(自身を含む): 31034880

約数和(自身を除く): 9795189

約数列:

[1, 3, 11, 33, 239, 717, 2629, 2693, 7887, 8079, 29623, 88869, 643627, 1930881, 7079897, 21239691]

約数ペア:

[(1, 21239691), (3, 7079897), (11, 1930881), (33, 643627), (239, 88869), (717, 29623), (2629, 8079), (2693, 7887)]