21707776

素因数分解:

$2^{10}\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 88

約数和(自身を含む): 48636720

約数和(自身を除く): 26928944

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 43, 58, 64, 68, 86, 116, 128, 136, 172, 232, 256, 272, 344, 464, 493, 512, 544, 688, 731, 928, 986, 1024, 1088, 1247, 1376, 1462, 1856, 1972, 2176, 2494, 2752, 2924, 3712, 3944, 4352, 4988, 5504, 5848, 7424, 7888, 8704, 9976, 11008, 11696, 14848, 15776, 17408, 19952, 21199, 22016, 23392, 29696, 31552, 39904, 42398, 44032, 46784, 63104, 79808, 84796, 93568, 126208, 159616, 169592, 187136, 252416, 319232, 339184, 374272, 504832, 638464, 678368, 748544, 1276928, 1356736, 2713472, 5426944, 10853888, 21707776]

約数ペア:

[(1, 21707776), (2, 10853888), (4, 5426944), (8, 2713472), (16, 1356736), (17, 1276928), (29, 748544), (32, 678368), (34, 638464), (43, 504832), (58, 374272), (64, 339184), (68, 319232), (86, 252416), (116, 187136), (128, 169592), (136, 159616), (172, 126208), (232, 93568), (256, 84796), (272, 79808), (344, 63104), (464, 46784), (493, 44032), (512, 42398), (544, 39904), (688, 31552), (731, 29696), (928, 23392), (986, 22016), (1024, 21199), (1088, 19952), (1247, 17408), (1376, 15776), (1462, 14848), (1856, 11696), (1972, 11008), (2176, 9976), (2494, 8704), (2752, 7888), (2924, 7424), (3712, 5848), (3944, 5504), (4352, 4988)]