21120671

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 25919040

約数和(自身を除く): 4798369

約数列:

[1, 11, 13, 29, 121, 143, 319, 377, 463, 1573, 3509, 4147, 5093, 6019, 13427, 45617, 56023, 66209, 147697, 174551, 728299, 1624667, 1920061, 21120671]

約数ペア:

[(1, 21120671), (11, 1920061), (13, 1624667), (29, 728299), (121, 174551), (143, 147697), (319, 66209), (377, 56023), (463, 45617), (1573, 13427), (3509, 6019), (4147, 5093)]