21225204

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 288

約数和(自身を含む): 78274560

約数和(自身を除く): 57049356

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 19, 21, 22, 26, 28, 31, 33, 36, 38, 39, 42, 44, 52, 57, 62, 63, 66, 76, 77, 78, 84, 91, 93, 99, 114, 117, 124, 126, 132, 133, 143, 154, 156, 171, 182, 186, 198, 209, 217, 228, 231, 234, 247, 252, 266, 273, 279, 286, 308, 341, 342, 364, 372, 396, 399, 403, 418, 429, 434, 462, 468, 494, 532, 546, 558, 572, 589, 627, 651, 682, 684, 693, 741, 798, 806, 819, 836, 858, 868, 924, 988, 1001, 1023, 1092, 1116, 1178, 1197, 1209, 1254, 1287, 1302, 1364, 1386, 1463, 1482, 1596, 1612, 1638, 1716, 1729, 1767, 1881, 1953, 2002, 2046, 2223, 2356, 2387, 2394, 2418, 2508, 2574, 2604, 2717, 2772, 2821, 2926, 2964, 3003, 3069, 3276, 3458, 3534, 3627, 3762, 3906, 4004, 4092, 4123, 4389, 4433, 4446, 4774, 4788, 4836, 5148, 5187, 5301, 5434, 5642, 5852, 6006, 6138, 6479, 6916, 7068, 7161, 7254, 7524, 7657, 7812, 8151, 8246, 8463, 8778, 8866, 8892, 9009, 9548, 10374, 10602, 10868, 11284, 12012, 12276, 12369, 12958, 13167, 13299, 14322, 14508, 15314, 15561, 16302, 16492, 16926, 17556, 17732, 18018, 19019, 19437, 20748, 21204, 21483, 22971, 24453, 24738, 25389, 25916, 26334, 26598, 28644, 30628, 31031, 31122, 32604, 33852, 36036, 37107, 38038, 38874, 39897, 42966, 45353, 45942, 48906, 49476, 50778, 52668, 53196, 53599, 57057, 58311, 62062, 62244, 68913, 74214, 76076, 77748, 79794, 84227, 85932, 90706, 91884, 93093, 97812, 101556, 107198, 114114, 116622, 124124, 136059, 137826, 148428, 159588, 160797, 168454, 171171, 181412, 186186, 214396, 228228, 233244, 252681, 272118, 275652, 279279, 321594, 336908, 342342, 372372, 408177, 482391, 505362, 544236, 558558, 589589, 643188, 684684, 758043, 816354, 964782, 1010724, 1117116, 1179178, 1516086, 1632708, 1768767, 1929564, 2358356, 3032172, 3537534, 5306301, 7075068, 10612602, 21225204]

約数ペア:

[(1, 21225204), (2, 10612602), (3, 7075068), (4, 5306301), (6, 3537534), (7, 3032172), (9, 2358356), (11, 1929564), (12, 1768767), (13, 1632708), (14, 1516086), (18, 1179178), (19, 1117116), (21, 1010724), (22, 964782), (26, 816354), (28, 758043), (31, 684684), (33, 643188), (36, 589589), (38, 558558), (39, 544236), (42, 505362), (44, 482391), (52, 408177), (57, 372372), (62, 342342), (63, 336908), (66, 321594), (76, 279279), (77, 275652), (78, 272118), (84, 252681), (91, 233244), (93, 228228), (99, 214396), (114, 186186), (117, 181412), (124, 171171), (126, 168454), (132, 160797), (133, 159588), (143, 148428), (154, 137826), (156, 136059), (171, 124124), (182, 116622), (186, 114114), (198, 107198), (209, 101556), (217, 97812), (228, 93093), (231, 91884), (234, 90706), (247, 85932), (252, 84227), (266, 79794), (273, 77748), (279, 76076), (286, 74214), (308, 68913), (341, 62244), (342, 62062), (364, 58311), (372, 57057), (396, 53599), (399, 53196), (403, 52668), (418, 50778), (429, 49476), (434, 48906), (462, 45942), (468, 45353), (494, 42966), (532, 39897), (546, 38874), (558, 38038), (572, 37107), (589, 36036), (627, 33852), (651, 32604), (682, 31122), (684, 31031), (693, 30628), (741, 28644), (798, 26598), (806, 26334), (819, 25916), (836, 25389), (858, 24738), (868, 24453), (924, 22971), (988, 21483), (1001, 21204), (1023, 20748), (1092, 19437), (1116, 19019), (1178, 18018), (1197, 17732), (1209, 17556), (1254, 16926), (1287, 16492), (1302, 16302), (1364, 15561), (1386, 15314), (1463, 14508), (1482, 14322), (1596, 13299), (1612, 13167), (1638, 12958), (1716, 12369), (1729, 12276), (1767, 12012), (1881, 11284), (1953, 10868), (2002, 10602), (2046, 10374), (2223, 9548), (2356, 9009), (2387, 8892), (2394, 8866), (2418, 8778), (2508, 8463), (2574, 8246), (2604, 8151), (2717, 7812), (2772, 7657), (2821, 7524), (2926, 7254), (2964, 7161), (3003, 7068), (3069, 6916), (3276, 6479), (3458, 6138), (3534, 6006), (3627, 5852), (3762, 5642), (3906, 5434), (4004, 5301), (4092, 5187), (4123, 5148), (4389, 4836), (4433, 4788), (4446, 4774)]