21706664

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:942

約数の個数: 64

約数和(自身を含む): 51148800

約数和(自身を除く): 29442136

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 38, 46, 56, 76, 92, 133, 152, 161, 184, 266, 322, 437, 532, 644, 874, 887, 1064, 1288, 1748, 1774, 3059, 3496, 3548, 6118, 6209, 7096, 12236, 12418, 16853, 20401, 24472, 24836, 33706, 40802, 49672, 67412, 81604, 117971, 134824, 142807, 163208, 235942, 285614, 387619, 471884, 571228, 775238, 943768, 1142456, 1550476, 2713333, 3100952, 5426666, 10853332, 21706664]

約数ペア:

[(1, 21706664), (2, 10853332), (4, 5426666), (7, 3100952), (8, 2713333), (14, 1550476), (19, 1142456), (23, 943768), (28, 775238), (38, 571228), (46, 471884), (56, 387619), (76, 285614), (92, 235942), (133, 163208), (152, 142807), (161, 134824), (184, 117971), (266, 81604), (322, 67412), (437, 49672), (532, 40802), (644, 33706), (874, 24836), (887, 24472), (1064, 20401), (1288, 16853), (1748, 12418), (1774, 12236), (3059, 7096), (3496, 6209), (3548, 6118)]