13356021

素因数分解:

$3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{983}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 20404224

約数和(自身を除く): 7048203

約数列:

[1, 3, 7, 21, 647, 983, 1941, 2949, 4529, 6881, 13587, 20643, 636001, 1908003, 4452007, 13356021]

約数ペア:

[(1, 13356021), (3, 4452007), (7, 1908003), (21, 636001), (647, 20643), (983, 13587), (1941, 6881), (2949, 4529)]