21697984

素因数分解:

$2^6\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:91

約数の個数: 168

約数和(自身を含む): 59417712

約数和(自身を除く): 37719728

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 37, 44, 49, 56, 64, 68, 74, 77, 88, 98, 112, 119, 136, 148, 154, 176, 187, 196, 224, 238, 259, 272, 296, 308, 352, 374, 392, 407, 448, 476, 518, 539, 544, 592, 616, 629, 704, 748, 784, 814, 833, 952, 1036, 1078, 1088, 1184, 1232, 1258, 1309, 1496, 1568, 1628, 1666, 1813, 1904, 2072, 2156, 2368, 2464, 2516, 2618, 2849, 2992, 3136, 3256, 3332, 3626, 3808, 4144, 4312, 4403, 4928, 5032, 5236, 5698, 5984, 6512, 6664, 6919, 7252, 7616, 8288, 8624, 8806, 9163, 10064, 10472, 11396, 11968, 13024, 13328, 13838, 14504, 16576, 17248, 17612, 18326, 19943, 20128, 20944, 22792, 26048, 26656, 27676, 29008, 30821, 34496, 35224, 36652, 39886, 40256, 41888, 45584, 48433, 53312, 55352, 58016, 61642, 70448, 73304, 79772, 83776, 91168, 96866, 110704, 116032, 123284, 140896, 146608, 159544, 182336, 193732, 221408, 246568, 281792, 293216, 319088, 339031, 387464, 442816, 493136, 586432, 638176, 678062, 774928, 986272, 1276352, 1356124, 1549856, 1972544, 2712248, 3099712, 5424496, 10848992, 21697984]

約数ペア:

[(1, 21697984), (2, 10848992), (4, 5424496), (7, 3099712), (8, 2712248), (11, 1972544), (14, 1549856), (16, 1356124), (17, 1276352), (22, 986272), (28, 774928), (32, 678062), (34, 638176), (37, 586432), (44, 493136), (49, 442816), (56, 387464), (64, 339031), (68, 319088), (74, 293216), (77, 281792), (88, 246568), (98, 221408), (112, 193732), (119, 182336), (136, 159544), (148, 146608), (154, 140896), (176, 123284), (187, 116032), (196, 110704), (224, 96866), (238, 91168), (259, 83776), (272, 79772), (296, 73304), (308, 70448), (352, 61642), (374, 58016), (392, 55352), (407, 53312), (448, 48433), (476, 45584), (518, 41888), (539, 40256), (544, 39886), (592, 36652), (616, 35224), (629, 34496), (704, 30821), (748, 29008), (784, 27676), (814, 26656), (833, 26048), (952, 22792), (1036, 20944), (1078, 20128), (1088, 19943), (1184, 18326), (1232, 17612), (1258, 17248), (1309, 16576), (1496, 14504), (1568, 13838), (1628, 13328), (1666, 13024), (1813, 11968), (1904, 11396), (2072, 10472), (2156, 10064), (2368, 9163), (2464, 8806), (2516, 8624), (2618, 8288), (2849, 7616), (2992, 7252), (3136, 6919), (3256, 6664), (3332, 6512), (3626, 5984), (3808, 5698), (4144, 5236), (4312, 5032), (4403, 4928)]