21000723292791

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{3334987}}^1\times {\mathrm{63607}}^1$

素因数の和:3398611

約数の個数: 24

約数和(自身を含む): 33092579005824

約数和(自身を除く): 12091855713033

約数列:

[1, 3, 9, 11, 33, 99, 63607, 190821, 572463, 699677, 2099031, 3334987, 6297093, 10004961, 30014883, 36684857, 110054571, 330163713, 212128518109, 636385554327, 1909156662981, 2333413699199, 7000241097597, 21000723292791]

約数ペア:

[(1, 21000723292791), (3, 7000241097597), (9, 2333413699199), (11, 1909156662981), (33, 636385554327), (99, 212128518109), (63607, 330163713), (190821, 110054571), (572463, 36684857), (699677, 30014883), (2099031, 10004961), (3334987, 6297093)]