21227349

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49481}}^1$

素因数の和:49508

約数の個数: 16

約数和(自身を含む): 33251904

約数和(自身を除く): 12024555

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 49481, 148443, 544291, 643253, 1632873, 1929759, 7075783, 21227349]

約数ペア:

[(1, 21227349), (3, 7075783), (11, 1929759), (13, 1632873), (33, 643253), (39, 544291), (143, 148443), (429, 49481)]