21169161

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1471}}^1$

素因数の和:1534

約数の個数: 32

約数和(自身を含む): 34621440

約数和(自身を除く): 13452279

約数列:

[1, 3, 9, 13, 27, 39, 41, 117, 123, 351, 369, 533, 1107, 1471, 1599, 4413, 4797, 13239, 14391, 19123, 39717, 57369, 60311, 172107, 180933, 516321, 542799, 784043, 1628397, 2352129, 7056387, 21169161]

約数ペア:

[(1, 21169161), (3, 7056387), (9, 2352129), (13, 1628397), (27, 784043), (39, 542799), (41, 516321), (117, 180933), (123, 172107), (351, 60311), (369, 57369), (533, 39717), (1107, 19123), (1471, 14391), (1599, 13239), (4413, 4797)]