21872268

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:82

約数の個数: 180

約数和(自身を含む): 69704712

約数和(自身を除く): 47832444

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 19, 22, 27, 33, 34, 36, 38, 44, 51, 54, 57, 66, 68, 76, 81, 99, 102, 108, 114, 132, 153, 162, 171, 187, 198, 204, 209, 228, 297, 306, 323, 324, 342, 361, 374, 396, 418, 459, 513, 561, 594, 612, 627, 646, 684, 722, 748, 836, 891, 918, 969, 1026, 1083, 1122, 1188, 1254, 1292, 1377, 1444, 1539, 1683, 1782, 1836, 1881, 1938, 2052, 2166, 2244, 2508, 2754, 2907, 3078, 3249, 3366, 3553, 3564, 3762, 3876, 3971, 4332, 5049, 5508, 5643, 5814, 6137, 6156, 6498, 6732, 7106, 7524, 7942, 8721, 9747, 10098, 10659, 11286, 11628, 11913, 12274, 12996, 14212, 15147, 15884, 16929, 17442, 18411, 19494, 20196, 21318, 22572, 23826, 24548, 26163, 29241, 30294, 31977, 33858, 34884, 35739, 36822, 38988, 42636, 47652, 52326, 55233, 58482, 60588, 63954, 67507, 67716, 71478, 73644, 95931, 104652, 107217, 110466, 116964, 127908, 135014, 142956, 165699, 191862, 202521, 214434, 220932, 270028, 287793, 321651, 331398, 383724, 405042, 428868, 497097, 575586, 607563, 643302, 662796, 810084, 994194, 1151172, 1215126, 1286604, 1822689, 1988388, 2430252, 3645378, 5468067, 7290756, 10936134, 21872268]

約数ペア:

[(1, 21872268), (2, 10936134), (3, 7290756), (4, 5468067), (6, 3645378), (9, 2430252), (11, 1988388), (12, 1822689), (17, 1286604), (18, 1215126), (19, 1151172), (22, 994194), (27, 810084), (33, 662796), (34, 643302), (36, 607563), (38, 575586), (44, 497097), (51, 428868), (54, 405042), (57, 383724), (66, 331398), (68, 321651), (76, 287793), (81, 270028), (99, 220932), (102, 214434), (108, 202521), (114, 191862), (132, 165699), (153, 142956), (162, 135014), (171, 127908), (187, 116964), (198, 110466), (204, 107217), (209, 104652), (228, 95931), (297, 73644), (306, 71478), (323, 67716), (324, 67507), (342, 63954), (361, 60588), (374, 58482), (396, 55233), (418, 52326), (459, 47652), (513, 42636), (561, 38988), (594, 36822), (612, 35739), (627, 34884), (646, 33858), (684, 31977), (722, 30294), (748, 29241), (836, 26163), (891, 24548), (918, 23826), (969, 22572), (1026, 21318), (1083, 20196), (1122, 19494), (1188, 18411), (1254, 17442), (1292, 16929), (1377, 15884), (1444, 15147), (1539, 14212), (1683, 12996), (1782, 12274), (1836, 11913), (1881, 11628), (1938, 11286), (2052, 10659), (2166, 10098), (2244, 9747), (2508, 8721), (2754, 7942), (2907, 7524), (3078, 7106), (3249, 6732), (3366, 6498), (3553, 6156), (3564, 6137), (3762, 5814), (3876, 5643), (3971, 5508), (4332, 5049)]