21762999

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:289

約数の個数: 40

約数和(自身を含む): 34848000

約数和(自身を除く): 13085001

約数列:

[1, 3, 9, 19, 27, 57, 79, 81, 171, 179, 237, 513, 537, 711, 1501, 1539, 1611, 2133, 3401, 4503, 4833, 6399, 10203, 13509, 14141, 14499, 30609, 40527, 42423, 91827, 121581, 127269, 268679, 275481, 381807, 806037, 1145421, 2418111, 7254333, 21762999]

約数ペア:

[(1, 21762999), (3, 7254333), (9, 2418111), (19, 1145421), (27, 806037), (57, 381807), (79, 275481), (81, 268679), (171, 127269), (179, 121581), (237, 91827), (513, 42423), (537, 40527), (711, 30609), (1501, 14499), (1539, 14141), (1611, 13509), (2133, 10203), (3401, 6399), (4503, 4833)]