21621483

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{653}}^1$

素因数の和:955

約数の個数: 24

約数和(自身を含む): 33803952

約数和(自身を除く): 12182469

約数列:

[1, 3, 9, 13, 39, 117, 283, 653, 849, 1959, 2547, 3679, 5877, 8489, 11037, 25467, 33111, 76401, 184799, 554397, 1663191, 2402387, 7207161, 21621483]

約数ペア:

[(1, 21621483), (3, 7207161), (9, 2402387), (13, 1663191), (39, 554397), (117, 184799), (283, 76401), (653, 33111), (849, 25467), (1959, 11037), (2547, 8489), (3679, 5877)]