21269732

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3079}}^1$

素因数の和:3251

約数の個数: 24

約数和(自身を含む): 40877760

約数和(自身を除く): 19608028

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 3079, 3454, 6158, 6908, 12316, 33869, 67738, 135476, 483403, 966806, 1933612, 5317433, 10634866, 21269732]

約数ペア:

[(1, 21269732), (2, 10634866), (4, 5317433), (11, 1933612), (22, 966806), (44, 483403), (157, 135476), (314, 67738), (628, 33869), (1727, 12316), (3079, 6908), (3454, 6158)]