21000307083

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14084713}}^1$

素因数の和:14084794

約数の個数: 16

約数和(自身を含む): 32451181056

約数和(自身を除く): 11450873973

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 14084713, 42254139, 98592991, 295778973, 1000014623, 3000043869, 7000102361, 21000307083]

約数ペア:

[(1, 21000307083), (3, 7000102361), (7, 3000043869), (21, 1000014623), (71, 295778973), (213, 98592991), (497, 42254139), (1491, 14084713)]