21169896

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 62985600

約数和(自身を除く): 41815704

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 53, 66, 68, 88, 89, 102, 106, 132, 136, 159, 178, 187, 204, 212, 264, 267, 318, 356, 374, 408, 424, 534, 561, 583, 636, 712, 748, 901, 979, 1068, 1122, 1166, 1272, 1496, 1513, 1749, 1802, 1958, 2136, 2244, 2332, 2703, 2937, 3026, 3498, 3604, 3916, 4488, 4539, 4664, 4717, 5406, 5874, 6052, 6996, 7208, 7832, 9078, 9434, 9911, 10812, 11748, 12104, 13992, 14151, 16643, 18156, 18868, 19822, 21624, 23496, 28302, 29733, 33286, 36312, 37736, 39644, 49929, 51887, 56604, 59466, 66572, 79288, 80189, 99858, 103774, 113208, 118932, 133144, 155661, 160378, 199716, 207548, 237864, 240567, 311322, 320756, 399432, 415096, 481134, 622644, 641512, 882079, 962268, 1245288, 1764158, 1924536, 2646237, 3528316, 5292474, 7056632, 10584948, 21169896]

約数ペア:

[(1, 21169896), (2, 10584948), (3, 7056632), (4, 5292474), (6, 3528316), (8, 2646237), (11, 1924536), (12, 1764158), (17, 1245288), (22, 962268), (24, 882079), (33, 641512), (34, 622644), (44, 481134), (51, 415096), (53, 399432), (66, 320756), (68, 311322), (88, 240567), (89, 237864), (102, 207548), (106, 199716), (132, 160378), (136, 155661), (159, 133144), (178, 118932), (187, 113208), (204, 103774), (212, 99858), (264, 80189), (267, 79288), (318, 66572), (356, 59466), (374, 56604), (408, 51887), (424, 49929), (534, 39644), (561, 37736), (583, 36312), (636, 33286), (712, 29733), (748, 28302), (901, 23496), (979, 21624), (1068, 19822), (1122, 18868), (1166, 18156), (1272, 16643), (1496, 14151), (1513, 13992), (1749, 12104), (1802, 11748), (1958, 10812), (2136, 9911), (2244, 9434), (2332, 9078), (2703, 7832), (2937, 7208), (3026, 6996), (3498, 6052), (3604, 5874), (3916, 5406), (4488, 4717), (4539, 4664)]