21660078

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1069}}^1$

素因数の和:1392

約数の個数: 32

約数和(自身を含む): 47456640

約数和(自身を除く): 25796562

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 307, 614, 921, 1069, 1842, 2138, 3207, 3377, 6414, 6754, 10131, 11759, 20262, 23518, 35277, 70554, 328183, 656366, 984549, 1969098, 3610013, 7220026, 10830039, 21660078]

約数ペア:

[(1, 21660078), (2, 10830039), (3, 7220026), (6, 3610013), (11, 1969098), (22, 984549), (33, 656366), (66, 328183), (307, 70554), (614, 35277), (921, 23518), (1069, 20262), (1842, 11759), (2138, 10131), (3207, 6754), (3377, 6414)]