21754611

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4903}}^1$

素因数の和:4955

約数の個数: 24

約数和(自身を含む): 34426080

約数和(自身を除く): 12671469

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 4903, 14709, 44127, 83351, 142187, 250053, 426561, 750159, 1279683, 2417179, 7251537, 21754611]

約数ペア:

[(1, 21754611), (3, 7251537), (9, 2417179), (17, 1279683), (29, 750159), (51, 426561), (87, 250053), (153, 142187), (261, 83351), (493, 44127), (1479, 14709), (4437, 4903)]