21919464

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:157

約数の個数: 192

約数和(自身を含む): 75240000

約数和(自身を除く): 53320536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 49, 54, 56, 57, 63, 72, 76, 84, 98, 108, 109, 114, 126, 133, 147, 152, 168, 171, 189, 196, 216, 218, 228, 252, 266, 294, 327, 342, 378, 392, 399, 436, 441, 456, 504, 513, 532, 588, 654, 684, 756, 763, 798, 872, 882, 931, 981, 1026, 1064, 1176, 1197, 1308, 1323, 1368, 1512, 1526, 1596, 1764, 1862, 1962, 2052, 2071, 2289, 2394, 2616, 2646, 2793, 2943, 3052, 3192, 3528, 3591, 3724, 3924, 4104, 4142, 4578, 4788, 5292, 5341, 5586, 5886, 6104, 6213, 6867, 7182, 7448, 7848, 8284, 8379, 9156, 9576, 10584, 10682, 11172, 11772, 12426, 13734, 14364, 14497, 16023, 16568, 16758, 18312, 18639, 20601, 21364, 22344, 23544, 24852, 25137, 27468, 28728, 28994, 32046, 33516, 37278, 41202, 42728, 43491, 48069, 49704, 50274, 54936, 55917, 57988, 64092, 67032, 74556, 82404, 86982, 96138, 100548, 101479, 111834, 115976, 128184, 130473, 144207, 149112, 164808, 173964, 192276, 201096, 202958, 223668, 260946, 288414, 304437, 347928, 384552, 391419, 405916, 447336, 521892, 576828, 608874, 782838, 811832, 913311, 1043784, 1153656, 1217748, 1565676, 1826622, 2435496, 2739933, 3131352, 3653244, 5479866, 7306488, 10959732, 21919464]

約数ペア:

[(1, 21919464), (2, 10959732), (3, 7306488), (4, 5479866), (6, 3653244), (7, 3131352), (8, 2739933), (9, 2435496), (12, 1826622), (14, 1565676), (18, 1217748), (19, 1153656), (21, 1043784), (24, 913311), (27, 811832), (28, 782838), (36, 608874), (38, 576828), (42, 521892), (49, 447336), (54, 405916), (56, 391419), (57, 384552), (63, 347928), (72, 304437), (76, 288414), (84, 260946), (98, 223668), (108, 202958), (109, 201096), (114, 192276), (126, 173964), (133, 164808), (147, 149112), (152, 144207), (168, 130473), (171, 128184), (189, 115976), (196, 111834), (216, 101479), (218, 100548), (228, 96138), (252, 86982), (266, 82404), (294, 74556), (327, 67032), (342, 64092), (378, 57988), (392, 55917), (399, 54936), (436, 50274), (441, 49704), (456, 48069), (504, 43491), (513, 42728), (532, 41202), (588, 37278), (654, 33516), (684, 32046), (756, 28994), (763, 28728), (798, 27468), (872, 25137), (882, 24852), (931, 23544), (981, 22344), (1026, 21364), (1064, 20601), (1176, 18639), (1197, 18312), (1308, 16758), (1323, 16568), (1368, 16023), (1512, 14497), (1526, 14364), (1596, 13734), (1764, 12426), (1862, 11772), (1962, 11172), (2052, 10682), (2071, 10584), (2289, 9576), (2394, 9156), (2616, 8379), (2646, 8284), (2793, 7848), (2943, 7448), (3052, 7182), (3192, 6867), (3528, 6213), (3591, 6104), (3724, 5886), (3924, 5586), (4104, 5341), (4142, 5292), (4578, 4788)]