21007029249

素因数分解:

$3^2\times {\mathrm{151}}^1\times {\mathrm{15457711}}^1$

素因数の和:15457868

約数の個数: 12

約数和(自身を含む): 30544438912

約数和(自身を除く): 9537409663

約数列:

[1, 3, 9, 151, 453, 1359, 15457711, 46373133, 139119399, 2334114361, 7002343083, 21007029249]

約数ペア:

[(1, 21007029249), (3, 7002343083), (9, 2334114361), (151, 139119399), (453, 46373133), (1359, 15457711)]