21589652

素因数分解:

$2^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1789}}^1$

素因数の和:2231

約数の個数: 24

約数和(自身を含む): 43303680

約数和(自身を除く): 21714028

約数列:

[1, 2, 4, 7, 14, 28, 431, 862, 1724, 1789, 3017, 3578, 6034, 7156, 12068, 12523, 25046, 50092, 771059, 1542118, 3084236, 5397413, 10794826, 21589652]

約数ペア:

[(1, 21589652), (2, 10794826), (4, 5397413), (7, 3084236), (14, 1542118), (28, 771059), (431, 50092), (862, 25046), (1724, 12523), (1789, 12068), (3017, 7156), (3578, 6034)]