21394968

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 65664000

約数和(自身を除く): 44269032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 49, 56, 69, 84, 92, 98, 113, 138, 147, 161, 168, 184, 196, 226, 276, 294, 322, 339, 343, 392, 452, 483, 552, 588, 644, 678, 686, 791, 904, 966, 1029, 1127, 1176, 1288, 1356, 1372, 1582, 1932, 2058, 2254, 2373, 2599, 2712, 2744, 3164, 3381, 3864, 4116, 4508, 4746, 5198, 5537, 6328, 6762, 7797, 7889, 8232, 9016, 9492, 10396, 11074, 13524, 15594, 15778, 16611, 18193, 18984, 20792, 22148, 23667, 27048, 31188, 31556, 33222, 36386, 38759, 44296, 47334, 54579, 62376, 63112, 66444, 72772, 77518, 94668, 109158, 116277, 127351, 132888, 145544, 155036, 189336, 218316, 232554, 254702, 310072, 382053, 436632, 465108, 509404, 764106, 891457, 930216, 1018808, 1528212, 1782914, 2674371, 3056424, 3565828, 5348742, 7131656, 10697484, 21394968]

約数ペア:

[(1, 21394968), (2, 10697484), (3, 7131656), (4, 5348742), (6, 3565828), (7, 3056424), (8, 2674371), (12, 1782914), (14, 1528212), (21, 1018808), (23, 930216), (24, 891457), (28, 764106), (42, 509404), (46, 465108), (49, 436632), (56, 382053), (69, 310072), (84, 254702), (92, 232554), (98, 218316), (113, 189336), (138, 155036), (147, 145544), (161, 132888), (168, 127351), (184, 116277), (196, 109158), (226, 94668), (276, 77518), (294, 72772), (322, 66444), (339, 63112), (343, 62376), (392, 54579), (452, 47334), (483, 44296), (552, 38759), (588, 36386), (644, 33222), (678, 31556), (686, 31188), (791, 27048), (904, 23667), (966, 22148), (1029, 20792), (1127, 18984), (1176, 18193), (1288, 16611), (1356, 15778), (1372, 15594), (1582, 13524), (1932, 11074), (2058, 10396), (2254, 9492), (2373, 9016), (2599, 8232), (2712, 7889), (2744, 7797), (3164, 6762), (3381, 6328), (3864, 5537), (4116, 5198), (4508, 4746)]