21283101

素因数分解:

$3^3\times 7^2\times {\mathrm{16087}}^1$

素因数の和:16110

約数の個数: 24

約数和(自身を含む): 36680640

約数和(自身を除く): 15397539

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 16087, 48261, 112609, 144783, 337827, 434349, 788263, 1013481, 2364789, 3040443, 7094367, 21283101]

約数ペア:

[(1, 21283101), (3, 7094367), (7, 3040443), (9, 2364789), (21, 1013481), (27, 788263), (49, 434349), (63, 337827), (147, 144783), (189, 112609), (441, 48261), (1323, 16087)]