21758688

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:317

約数の個数: 144

約数和(自身を含む): 72648576

約数和(自身を除く): 50889888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 43, 48, 56, 63, 72, 84, 86, 96, 112, 126, 129, 144, 168, 172, 224, 251, 252, 258, 288, 301, 336, 344, 387, 502, 504, 516, 602, 672, 688, 753, 774, 903, 1004, 1008, 1032, 1204, 1376, 1506, 1548, 1757, 1806, 2008, 2016, 2064, 2259, 2408, 2709, 3012, 3096, 3514, 3612, 4016, 4128, 4518, 4816, 5271, 5418, 6024, 6192, 7028, 7224, 8032, 9036, 9632, 10542, 10793, 10836, 12048, 12384, 14056, 14448, 15813, 18072, 21084, 21586, 21672, 24096, 28112, 28896, 31626, 32379, 36144, 42168, 43172, 43344, 56224, 63252, 64758, 72288, 75551, 84336, 86344, 86688, 97137, 126504, 129516, 151102, 168672, 172688, 194274, 226653, 253008, 259032, 302204, 345376, 388548, 453306, 506016, 518064, 604408, 679959, 777096, 906612, 1036128, 1208816, 1359918, 1554192, 1813224, 2417632, 2719836, 3108384, 3626448, 5439672, 7252896, 10879344, 21758688]

約数ペア:

[(1, 21758688), (2, 10879344), (3, 7252896), (4, 5439672), (6, 3626448), (7, 3108384), (8, 2719836), (9, 2417632), (12, 1813224), (14, 1554192), (16, 1359918), (18, 1208816), (21, 1036128), (24, 906612), (28, 777096), (32, 679959), (36, 604408), (42, 518064), (43, 506016), (48, 453306), (56, 388548), (63, 345376), (72, 302204), (84, 259032), (86, 253008), (96, 226653), (112, 194274), (126, 172688), (129, 168672), (144, 151102), (168, 129516), (172, 126504), (224, 97137), (251, 86688), (252, 86344), (258, 84336), (288, 75551), (301, 72288), (336, 64758), (344, 63252), (387, 56224), (502, 43344), (504, 43172), (516, 42168), (602, 36144), (672, 32379), (688, 31626), (753, 28896), (774, 28112), (903, 24096), (1004, 21672), (1008, 21586), (1032, 21084), (1204, 18072), (1376, 15813), (1506, 14448), (1548, 14056), (1757, 12384), (1806, 12048), (2008, 10836), (2016, 10793), (2064, 10542), (2259, 9632), (2408, 9036), (2709, 8032), (3012, 7224), (3096, 7028), (3514, 6192), (3612, 6024), (4016, 5418), (4128, 5271), (4518, 4816)]