201619152021

素因数分解:

$3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{21869959}}^1$

素因数の和:21870408

約数の個数: 16

約数和(自身を含む): 307929036800

約数和(自身を除く): 106309884779

約数列:

[1, 3, 7, 21, 439, 1317, 3073, 9219, 21869959, 65609877, 153089713, 459269139, 9600912001, 28802736003, 67206384007, 201619152021]

約数ペア:

[(1, 201619152021), (3, 67206384007), (7, 28802736003), (21, 9600912001), (439, 459269139), (1317, 153089713), (3073, 65609877), (9219, 21869959)]