21667347

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1699}}^1$

素因数の和:1827

約数の個数: 24

約数和(自身を含む): 34034000

約数和(自身を除く): 12366653

約数列:

[1, 3, 9, 13, 39, 109, 117, 327, 981, 1417, 1699, 4251, 5097, 12753, 15291, 22087, 66261, 185191, 198783, 555573, 1666719, 2407483, 7222449, 21667347]

約数ペア:

[(1, 21667347), (3, 7222449), (9, 2407483), (13, 1666719), (39, 555573), (109, 198783), (117, 185191), (327, 66261), (981, 22087), (1417, 15291), (1699, 12753), (4251, 5097)]