21627909

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1601}}^1$

素因数の和:1705

約数の個数: 24

約数和(自身を含む): 33321600

約数和(自身を除く): 11693691

約数列:

[1, 3, 9, 19, 57, 79, 171, 237, 711, 1501, 1601, 4503, 4803, 13509, 14409, 30419, 91257, 126479, 273771, 379437, 1138311, 2403101, 7209303, 21627909]

約数ペア:

[(1, 21627909), (3, 7209303), (9, 2403101), (19, 1138311), (57, 379437), (79, 273771), (171, 126479), (237, 91257), (711, 30419), (1501, 14409), (1601, 13509), (4503, 4803)]