21382746

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1547

約数の個数: 64

約数和(自身を含む): 55074816

約数和(自身を除く): 33692070

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 62, 66, 77, 93, 154, 186, 217, 231, 341, 434, 462, 651, 682, 1023, 1302, 1493, 2046, 2387, 2986, 4479, 4774, 7161, 8958, 10451, 14322, 16423, 20902, 31353, 32846, 46283, 49269, 62706, 92566, 98538, 114961, 138849, 229922, 277698, 323981, 344883, 509113, 647962, 689766, 971943, 1018226, 1527339, 1943886, 3054678, 3563791, 7127582, 10691373, 21382746]

約数ペア:

[(1, 21382746), (2, 10691373), (3, 7127582), (6, 3563791), (7, 3054678), (11, 1943886), (14, 1527339), (21, 1018226), (22, 971943), (31, 689766), (33, 647962), (42, 509113), (62, 344883), (66, 323981), (77, 277698), (93, 229922), (154, 138849), (186, 114961), (217, 98538), (231, 92566), (341, 62706), (434, 49269), (462, 46283), (651, 32846), (682, 31353), (1023, 20902), (1302, 16423), (1493, 14322), (2046, 10451), (2387, 8958), (2986, 7161), (4479, 4774)]