21436481

素因数分解:

${\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 25137000

約数和(自身を除く): 3700519

約数列:

[1, 11, 29, 41, 121, 149, 319, 451, 1189, 1639, 3509, 4321, 4961, 6109, 13079, 18029, 47531, 67199, 143869, 177161, 522841, 739189, 1948771, 21436481]

約数ペア:

[(1, 21436481), (11, 1948771), (29, 739189), (41, 522841), (121, 177161), (149, 143869), (319, 67199), (451, 47531), (1189, 18029), (1639, 13079), (3509, 6109), (4321, 4961)]