21443913

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41801}}^1$

素因数の和:41829

約数の個数: 16

約数和(自身を含む): 33441600

約数和(自身を除く): 11997687

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41801, 125403, 376209, 794219, 1128627, 2382657, 7147971, 21443913]

約数ペア:

[(1, 21443913), (3, 7147971), (9, 2382657), (19, 1128627), (27, 794219), (57, 376209), (171, 125403), (513, 41801)]