21090933

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{937}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 31753176

約数和(自身を除く): 10662243

約数列:

[1, 3, 9, 41, 61, 123, 183, 369, 549, 937, 2501, 2811, 7503, 8433, 22509, 38417, 57157, 115251, 171471, 345753, 514413, 2343437, 7030311, 21090933]

約数ペア:

[(1, 21090933), (3, 7030311), (9, 2343437), (41, 514413), (61, 345753), (123, 171471), (183, 115251), (369, 57157), (549, 38417), (937, 22509), (2501, 8433), (2811, 7503)]