21576744

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1431

約数の個数: 96

約数和(自身を含む): 68989440

約数和(自身を除く): 47412696

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 56, 62, 63, 72, 84, 93, 124, 126, 168, 186, 217, 248, 252, 279, 372, 434, 504, 558, 651, 744, 868, 1116, 1302, 1381, 1736, 1953, 2232, 2604, 2762, 3906, 4143, 5208, 5524, 7812, 8286, 9667, 11048, 12429, 15624, 16572, 19334, 24858, 29001, 33144, 38668, 42811, 49716, 58002, 77336, 85622, 87003, 99432, 116004, 128433, 171244, 174006, 232008, 256866, 299677, 342488, 348012, 385299, 513732, 599354, 696024, 770598, 899031, 1027464, 1198708, 1541196, 1798062, 2397416, 2697093, 3082392, 3596124, 5394186, 7192248, 10788372, 21576744]

約数ペア:

[(1, 21576744), (2, 10788372), (3, 7192248), (4, 5394186), (6, 3596124), (7, 3082392), (8, 2697093), (9, 2397416), (12, 1798062), (14, 1541196), (18, 1198708), (21, 1027464), (24, 899031), (28, 770598), (31, 696024), (36, 599354), (42, 513732), (56, 385299), (62, 348012), (63, 342488), (72, 299677), (84, 256866), (93, 232008), (124, 174006), (126, 171244), (168, 128433), (186, 116004), (217, 99432), (248, 87003), (252, 85622), (279, 77336), (372, 58002), (434, 49716), (504, 42811), (558, 38668), (651, 33144), (744, 29001), (868, 24858), (1116, 19334), (1302, 16572), (1381, 15624), (1736, 12429), (1953, 11048), (2232, 9667), (2604, 8286), (2762, 7812), (3906, 5524), (4143, 5208)]