21589442

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{17327}}^1$

素因数の和:17425

約数の個数: 16

約数和(自身を含む): 37428480

約数和(自身を除く): 15839038

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 17327, 34654, 121289, 242578, 1542103, 3084206, 10794721, 21589442]

約数ペア:

[(1, 21589442), (2, 10794721), (7, 3084206), (14, 1542103), (89, 242578), (178, 121289), (623, 34654), (1246, 17327)]