21516754

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{18517}}^1$

素因数の和:18609

約数の個数: 16

約数和(自身を含む): 37332288

約数和(自身を除く): 15815534

約数列:

[1, 2, 7, 14, 83, 166, 581, 1162, 18517, 37034, 129619, 259238, 1536911, 3073822, 10758377, 21516754]

約数ペア:

[(1, 21516754), (2, 10758377), (7, 3073822), (14, 1536911), (83, 259238), (166, 129619), (581, 37034), (1162, 18517)]