21586411

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1381}}^1$

素因数の和:1435

約数の個数: 24

約数和(自身を含む): 28358640

約数和(自身を除く): 6772229

約数列:

[1, 7, 11, 29, 49, 77, 203, 319, 539, 1381, 1421, 2233, 9667, 15191, 15631, 40049, 67669, 106337, 280343, 440539, 744359, 1962401, 3083773, 21586411]

約数ペア:

[(1, 21586411), (7, 3083773), (11, 1962401), (29, 744359), (49, 440539), (77, 280343), (203, 106337), (319, 67669), (539, 40049), (1381, 15631), (1421, 15191), (2233, 9667)]