21806718

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{971}}^1$

素因数の和:1192

約数の個数: 32

約数和(自身を含む): 46189440

約数和(自身を除く): 24382722

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 197, 394, 591, 971, 1182, 1942, 2913, 3743, 5826, 7486, 11229, 18449, 22458, 36898, 55347, 110694, 191287, 382574, 573861, 1147722, 3634453, 7268906, 10903359, 21806718]

約数ペア:

[(1, 21806718), (2, 10903359), (3, 7268906), (6, 3634453), (19, 1147722), (38, 573861), (57, 382574), (114, 191287), (197, 110694), (394, 55347), (591, 36898), (971, 22458), (1182, 18449), (1942, 11229), (2913, 7486), (3743, 5826)]