21327051

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{449}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 29030400

約数和(自身を除く): 7703349

約数列:

[1, 3, 71, 213, 223, 449, 669, 1347, 15833, 31879, 47499, 95637, 100127, 300381, 7109017, 21327051]

約数ペア:

[(1, 21327051), (3, 7109017), (71, 300381), (213, 100127), (223, 95637), (449, 47499), (669, 31879), (1347, 15833)]