21973182

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 33322818

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 199, 231, 239, 398, 462, 478, 597, 717, 1194, 1393, 1434, 1673, 2189, 2629, 2786, 3346, 4179, 4378, 5019, 5258, 6567, 7887, 8358, 10038, 13134, 15323, 15774, 18403, 30646, 36806, 45969, 47561, 55209, 91938, 95122, 110418, 142683, 285366, 332927, 523171, 665854, 998781, 1046342, 1569513, 1997562, 3139026, 3662197, 7324394, 10986591, 21973182]

約数ペア:

[(1, 21973182), (2, 10986591), (3, 7324394), (6, 3662197), (7, 3139026), (11, 1997562), (14, 1569513), (21, 1046342), (22, 998781), (33, 665854), (42, 523171), (66, 332927), (77, 285366), (154, 142683), (199, 110418), (231, 95122), (239, 91938), (398, 55209), (462, 47561), (478, 45969), (597, 36806), (717, 30646), (1194, 18403), (1393, 15774), (1434, 15323), (1673, 13134), (2189, 10038), (2629, 8358), (2786, 7887), (3346, 6567), (4179, 5258), (4378, 5019)]