21090969

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41113}}^1$

素因数の和:41141

約数の個数: 16

約数和(自身を含む): 32891200

約数和(自身を除く): 11800231

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41113, 123339, 370017, 781147, 1110051, 2343441, 7030323, 21090969]

約数ペア:

[(1, 21090969), (3, 7030323), (9, 2343441), (19, 1110051), (27, 781147), (57, 370017), (171, 123339), (513, 41113)]