21313419

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{2129}}^1$

素因数の和:2250

約数の個数: 16

約数和(自身を含む): 29445120

約数和(自身を除く): 8131701

約数列:

[1, 3, 47, 71, 141, 213, 2129, 3337, 6387, 10011, 100063, 151159, 300189, 453477, 7104473, 21313419]

約数ペア:

[(1, 21313419), (3, 7104473), (47, 453477), (71, 300189), (141, 151159), (213, 100063), (2129, 10011), (3337, 6387)]