21554709

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1597}}^1$

素因数の和:2020

約数の個数: 16

約数和(自身を含む): 31448640

約数和(自身を除く): 9893931

約数列:

[1, 3, 11, 33, 409, 1227, 1597, 4499, 4791, 13497, 17567, 52701, 653173, 1959519, 7184903, 21554709]

約数ペア:

[(1, 21554709), (3, 7184903), (11, 1959519), (33, 653173), (409, 52701), (1227, 17567), (1597, 13497), (4499, 4791)]