21576672

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:162

約数の個数: 192

約数和(自身を含む): 72394560

約数和(自身を除く): 50817888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 27, 32, 34, 36, 39, 48, 51, 52, 54, 68, 72, 78, 96, 102, 104, 108, 113, 117, 136, 144, 153, 156, 204, 208, 216, 221, 226, 234, 272, 288, 306, 312, 339, 351, 408, 416, 432, 442, 452, 459, 468, 544, 612, 624, 663, 678, 702, 816, 864, 884, 904, 918, 936, 1017, 1224, 1248, 1326, 1356, 1404, 1469, 1632, 1768, 1808, 1836, 1872, 1921, 1989, 2034, 2448, 2652, 2712, 2808, 2938, 3051, 3536, 3616, 3672, 3744, 3842, 3978, 4068, 4407, 4896, 5304, 5424, 5616, 5763, 5876, 5967, 6102, 7072, 7344, 7684, 7956, 8136, 8814, 10608, 10848, 11232, 11526, 11752, 11934, 12204, 13221, 14688, 15368, 15912, 16272, 17289, 17628, 21216, 23052, 23504, 23868, 24408, 24973, 26442, 30736, 31824, 32544, 34578, 35256, 39663, 46104, 47008, 47736, 48816, 49946, 51867, 52884, 61472, 63648, 69156, 70512, 74919, 79326, 92208, 95472, 97632, 99892, 103734, 105768, 138312, 141024, 149838, 158652, 184416, 190944, 199784, 207468, 211536, 224757, 276624, 299676, 317304, 399568, 414936, 423072, 449514, 553248, 599352, 634608, 674271, 799136, 829872, 899028, 1198704, 1269216, 1348542, 1659744, 1798056, 2397408, 2697084, 3596112, 5394168, 7192224, 10788336, 21576672]

約数ペア:

[(1, 21576672), (2, 10788336), (3, 7192224), (4, 5394168), (6, 3596112), (8, 2697084), (9, 2397408), (12, 1798056), (13, 1659744), (16, 1348542), (17, 1269216), (18, 1198704), (24, 899028), (26, 829872), (27, 799136), (32, 674271), (34, 634608), (36, 599352), (39, 553248), (48, 449514), (51, 423072), (52, 414936), (54, 399568), (68, 317304), (72, 299676), (78, 276624), (96, 224757), (102, 211536), (104, 207468), (108, 199784), (113, 190944), (117, 184416), (136, 158652), (144, 149838), (153, 141024), (156, 138312), (204, 105768), (208, 103734), (216, 99892), (221, 97632), (226, 95472), (234, 92208), (272, 79326), (288, 74919), (306, 70512), (312, 69156), (339, 63648), (351, 61472), (408, 52884), (416, 51867), (432, 49946), (442, 48816), (452, 47736), (459, 47008), (468, 46104), (544, 39663), (612, 35256), (624, 34578), (663, 32544), (678, 31824), (702, 30736), (816, 26442), (864, 24973), (884, 24408), (904, 23868), (918, 23504), (936, 23052), (1017, 21216), (1224, 17628), (1248, 17289), (1326, 16272), (1356, 15912), (1404, 15368), (1469, 14688), (1632, 13221), (1768, 12204), (1808, 11934), (1836, 11752), (1872, 11526), (1921, 11232), (1989, 10848), (2034, 10608), (2448, 8814), (2652, 8136), (2712, 7956), (2808, 7684), (2938, 7344), (3051, 7072), (3536, 6102), (3616, 5967), (3672, 5876), (3744, 5763), (3842, 5616), (3978, 5424), (4068, 5304), (4407, 4896)]