21817972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1429}}^1$

素因数の和:1791

約数の個数: 24

約数和(自身を含む): 41801760

約数和(自身を除く): 19983788

約数列:

[1, 2, 4, 11, 22, 44, 347, 694, 1388, 1429, 2858, 3817, 5716, 7634, 15268, 15719, 31438, 62876, 495863, 991726, 1983452, 5454493, 10908986, 21817972]

約数ペア:

[(1, 21817972), (2, 10908986), (4, 5454493), (11, 1983452), (22, 991726), (44, 495863), (347, 62876), (694, 31438), (1388, 15719), (1429, 15268), (2858, 7634), (3817, 5716)]