21387624

素因数分解:

$2^3\times 3^1\times {\mathrm{891151}}^1$

素因数の和:891160

約数の個数: 16

約数和(自身を含む): 53469120

約数和(自身を除く): 32081496

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 891151, 1782302, 2673453, 3564604, 5346906, 7129208, 10693812, 21387624]

約数ペア:

[(1, 21387624), (2, 10693812), (3, 7129208), (4, 5346906), (6, 3564604), (8, 2673453), (12, 1782302), (24, 891151)]