21757176

素因数分解:

$2^3\times 3^2\times 7^3\times {\mathrm{881}}^1$

素因数の和:914

約数の個数: 96

約数和(自身を含む): 68796000

約数和(自身を除く): 47038824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 343, 392, 441, 504, 588, 686, 881, 882, 1029, 1176, 1372, 1762, 1764, 2058, 2643, 2744, 3087, 3524, 3528, 4116, 5286, 6167, 6174, 7048, 7929, 8232, 10572, 12334, 12348, 15858, 18501, 21144, 24668, 24696, 31716, 37002, 43169, 49336, 55503, 63432, 74004, 86338, 111006, 129507, 148008, 172676, 222012, 259014, 302183, 345352, 388521, 444024, 518028, 604366, 777042, 906549, 1036056, 1208732, 1554084, 1813098, 2417464, 2719647, 3108168, 3626196, 5439294, 7252392, 10878588, 21757176]

約数ペア:

[(1, 21757176), (2, 10878588), (3, 7252392), (4, 5439294), (6, 3626196), (7, 3108168), (8, 2719647), (9, 2417464), (12, 1813098), (14, 1554084), (18, 1208732), (21, 1036056), (24, 906549), (28, 777042), (36, 604366), (42, 518028), (49, 444024), (56, 388521), (63, 345352), (72, 302183), (84, 259014), (98, 222012), (126, 172676), (147, 148008), (168, 129507), (196, 111006), (252, 86338), (294, 74004), (343, 63432), (392, 55503), (441, 49336), (504, 43169), (588, 37002), (686, 31716), (881, 24696), (882, 24668), (1029, 21144), (1176, 18501), (1372, 15858), (1762, 12348), (1764, 12334), (2058, 10572), (2643, 8232), (2744, 7929), (3087, 7048), (3524, 6174), (3528, 6167), (4116, 5286)]