21913364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4931}}^1$

素因数の和:5047

約数の個数: 24

約数和(自身を含む): 42257376

約数和(自身を除く): 20344012

約数列:

[1, 2, 4, 11, 22, 44, 101, 202, 404, 1111, 2222, 4444, 4931, 9862, 19724, 54241, 108482, 216964, 498031, 996062, 1992124, 5478341, 10956682, 21913364]

約数ペア:

[(1, 21913364), (2, 10956682), (4, 5478341), (11, 1992124), (22, 996062), (44, 498031), (101, 216964), (202, 108482), (404, 54241), (1111, 19724), (2222, 9862), (4444, 4931)]