21547064

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 54172800

約数和(自身を除く): 32625736

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 49, 56, 76, 77, 88, 98, 133, 152, 154, 196, 209, 263, 266, 308, 392, 418, 526, 532, 539, 616, 836, 931, 1052, 1064, 1078, 1463, 1672, 1841, 1862, 2104, 2156, 2893, 2926, 3682, 3724, 4312, 4997, 5786, 5852, 7364, 7448, 9994, 10241, 11572, 11704, 12887, 14728, 19988, 20251, 20482, 23144, 25774, 34979, 39976, 40502, 40964, 51548, 54967, 69958, 81004, 81928, 103096, 109934, 139916, 141757, 162008, 219868, 244853, 279832, 283514, 384769, 439736, 489706, 567028, 769538, 979412, 1134056, 1539076, 1958824, 2693383, 3078152, 5386766, 10773532, 21547064]

約数ペア:

[(1, 21547064), (2, 10773532), (4, 5386766), (7, 3078152), (8, 2693383), (11, 1958824), (14, 1539076), (19, 1134056), (22, 979412), (28, 769538), (38, 567028), (44, 489706), (49, 439736), (56, 384769), (76, 283514), (77, 279832), (88, 244853), (98, 219868), (133, 162008), (152, 141757), (154, 139916), (196, 109934), (209, 103096), (263, 81928), (266, 81004), (308, 69958), (392, 54967), (418, 51548), (526, 40964), (532, 40502), (539, 39976), (616, 34979), (836, 25774), (931, 23144), (1052, 20482), (1064, 20251), (1078, 19988), (1463, 14728), (1672, 12887), (1841, 11704), (1862, 11572), (2104, 10241), (2156, 9994), (2893, 7448), (2926, 7364), (3682, 5852), (3724, 5786), (4312, 4997)]