21316176

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:103

約数の個数: 240

約数和(自身を含む): 76334400

約数和(自身を除く): 55018224

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 36, 38, 42, 48, 49, 53, 54, 56, 57, 63, 72, 76, 84, 98, 106, 108, 112, 114, 126, 133, 144, 147, 152, 159, 168, 171, 189, 196, 212, 216, 228, 252, 266, 294, 304, 318, 336, 342, 371, 378, 392, 399, 424, 432, 441, 456, 477, 504, 513, 532, 588, 636, 684, 742, 756, 784, 798, 848, 882, 912, 931, 954, 1007, 1008, 1026, 1064, 1113, 1176, 1197, 1272, 1323, 1368, 1431, 1484, 1512, 1596, 1764, 1862, 1908, 2014, 2052, 2128, 2226, 2352, 2394, 2544, 2597, 2646, 2736, 2793, 2862, 2968, 3021, 3024, 3192, 3339, 3528, 3591, 3724, 3816, 4028, 4104, 4452, 4788, 5194, 5292, 5586, 5724, 5936, 6042, 6384, 6678, 7049, 7056, 7182, 7448, 7632, 7791, 8056, 8208, 8379, 8904, 9063, 9576, 10017, 10388, 10584, 11172, 11448, 12084, 13356, 14098, 14364, 14896, 15582, 16112, 16758, 17808, 18126, 19152, 20034, 20776, 21147, 21168, 22344, 22896, 23373, 24168, 25137, 26712, 27189, 28196, 28728, 31164, 33516, 36252, 40068, 41552, 42294, 44688, 46746, 48336, 49343, 50274, 53424, 54378, 56392, 57456, 62328, 63441, 67032, 70119, 72504, 80136, 84588, 93492, 98686, 100548, 108756, 112784, 124656, 126882, 134064, 140238, 145008, 148029, 160272, 169176, 186984, 190323, 197372, 201096, 217512, 253764, 280476, 296058, 338352, 373968, 380646, 394744, 402192, 435024, 444087, 507528, 560952, 592116, 761292, 789488, 888174, 1015056, 1121904, 1184232, 1332261, 1522584, 1776348, 2368464, 2664522, 3045168, 3552696, 5329044, 7105392, 10658088, 21316176]

約数ペア:

[(1, 21316176), (2, 10658088), (3, 7105392), (4, 5329044), (6, 3552696), (7, 3045168), (8, 2664522), (9, 2368464), (12, 1776348), (14, 1522584), (16, 1332261), (18, 1184232), (19, 1121904), (21, 1015056), (24, 888174), (27, 789488), (28, 761292), (36, 592116), (38, 560952), (42, 507528), (48, 444087), (49, 435024), (53, 402192), (54, 394744), (56, 380646), (57, 373968), (63, 338352), (72, 296058), (76, 280476), (84, 253764), (98, 217512), (106, 201096), (108, 197372), (112, 190323), (114, 186984), (126, 169176), (133, 160272), (144, 148029), (147, 145008), (152, 140238), (159, 134064), (168, 126882), (171, 124656), (189, 112784), (196, 108756), (212, 100548), (216, 98686), (228, 93492), (252, 84588), (266, 80136), (294, 72504), (304, 70119), (318, 67032), (336, 63441), (342, 62328), (371, 57456), (378, 56392), (392, 54378), (399, 53424), (424, 50274), (432, 49343), (441, 48336), (456, 46746), (477, 44688), (504, 42294), (513, 41552), (532, 40068), (588, 36252), (636, 33516), (684, 31164), (742, 28728), (756, 28196), (784, 27189), (798, 26712), (848, 25137), (882, 24168), (912, 23373), (931, 22896), (954, 22344), (1007, 21168), (1008, 21147), (1026, 20776), (1064, 20034), (1113, 19152), (1176, 18126), (1197, 17808), (1272, 16758), (1323, 16112), (1368, 15582), (1431, 14896), (1484, 14364), (1512, 14098), (1596, 13356), (1764, 12084), (1862, 11448), (1908, 11172), (2014, 10584), (2052, 10388), (2128, 10017), (2226, 9576), (2352, 9063), (2394, 8904), (2544, 8379), (2597, 8208), (2646, 8056), (2736, 7791), (2793, 7632), (2862, 7448), (2968, 7182), (3021, 7056), (3024, 7049), (3192, 6678), (3339, 6384), (3528, 6042), (3591, 5936), (3724, 5724), (3816, 5586), (4028, 5292), (4104, 5194), (4452, 4788)]