21039327

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2017}}^1$

素因数の和:2103

約数の個数: 24

約数和(自身を含む): 32530160

約数和(自身を除く): 11490833

約数列:

[1, 3, 9, 19, 57, 61, 171, 183, 549, 1159, 2017, 3477, 6051, 10431, 18153, 38323, 114969, 123037, 344907, 369111, 1107333, 2337703, 7013109, 21039327]

約数ペア:

[(1, 21039327), (3, 7013109), (9, 2337703), (19, 1107333), (57, 369111), (61, 344907), (171, 123037), (183, 114969), (549, 38323), (1159, 18153), (2017, 10431), (3477, 6051)]