21380088

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{12547}}^1$

素因数の和:12627

約数の個数: 32

約数和(自身を含む): 54207360

約数和(自身を除く): 32827272

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 12547, 25094, 37641, 50188, 75282, 100376, 150564, 301128, 890837, 1781674, 2672511, 3563348, 5345022, 7126696, 10690044, 21380088]

約数ペア:

[(1, 21380088), (2, 10690044), (3, 7126696), (4, 5345022), (6, 3563348), (8, 2672511), (12, 1781674), (24, 890837), (71, 301128), (142, 150564), (213, 100376), (284, 75282), (426, 50188), (568, 37641), (852, 25094), (1704, 12547)]