21628893

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{50417}}^1$

素因数の和:50444

約数の個数: 16

約数和(自身を含む): 33880896

約数和(自身を除く): 12252003

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 50417, 151251, 554587, 655421, 1663761, 1966263, 7209631, 21628893]

約数ペア:

[(1, 21628893), (3, 7209631), (11, 1966263), (13, 1663761), (33, 655421), (39, 554587), (143, 151251), (429, 50417)]