21521628

素因数分解:

$2^2\times 3^2\times {\mathrm{597823}}^1$

素因数の和:597833

約数の個数: 18

約数和(自身を含む): 54401984

約数和(自身を除く): 32880356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 597823, 1195646, 1793469, 2391292, 3586938, 5380407, 7173876, 10760814, 21521628]

約数ペア:

[(1, 21521628), (2, 10760814), (3, 7173876), (4, 5380407), (6, 3586938), (9, 2391292), (12, 1793469), (18, 1195646), (36, 597823)]