21453783

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{13417}}^1$

素因数の和:13474

約数の個数: 16

約数和(自身を含む): 31559136

約数和(自身を除く): 10105353

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 13417, 40251, 174421, 523263, 550097, 1650291, 7151261, 21453783]

約数ペア:

[(1, 21453783), (3, 7151261), (13, 1650291), (39, 550097), (41, 523263), (123, 174421), (533, 40251), (1599, 13417)]