21000252663

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{179489339}}^1$

素因数の和:179489358

約数の個数: 12

約数和(自身を含む): 32667059880

約数和(自身を除く): 11666807217

約数列:

[1, 3, 9, 13, 39, 117, 179489339, 538468017, 1615404051, 2333361407, 7000084221, 21000252663]

約数ペア:

[(1, 21000252663), (3, 7000084221), (9, 2333361407), (13, 1615404051), (39, 538468017), (117, 179489339)]