21467116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{487889}}^1$

素因数の和:487904

約数の個数: 12

約数和(自身を含む): 40982760

約数和(自身を除く): 19515644

約数列:

[1, 2, 4, 11, 22, 44, 487889, 975778, 1951556, 5366779, 10733558, 21467116]

約数ペア:

[(1, 21467116), (2, 10733558), (4, 5366779), (11, 1951556), (22, 975778), (44, 487889)]