21167280281

素因数分解:

$7^1\times {\mathrm{787}}^1\times {\mathrm{1013}}^1\times {\mathrm{3793}}^1$

素因数の和:5600

約数の個数: 16

約数和(自身を含む): 24252219264

約数和(自身を除く): 3084938983

約数列:

[1, 7, 787, 1013, 3793, 5509, 7091, 26551, 797231, 2985091, 3842309, 5580617, 20895637, 26896163, 3023897183, 21167280281]

約数ペア:

[(1, 21167280281), (7, 3023897183), (787, 26896163), (1013, 20895637), (3793, 5580617), (5509, 3842309), (7091, 2985091), (26551, 797231)]