21094920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{761}}^1$

素因数の和:796

約数の個数: 192

約数和(自身を含む): 85587840

約数和(自身を除く): 64492920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 693, 761, 770, 792, 840, 924, 990, 1155, 1260, 1320, 1386, 1522, 1540, 1848, 1980, 2283, 2310, 2520, 2772, 3044, 3080, 3465, 3805, 3960, 4566, 4620, 5327, 5544, 6088, 6849, 6930, 7610, 8371, 9132, 9240, 10654, 11415, 13698, 13860, 15220, 15981, 16742, 18264, 21308, 22830, 25113, 26635, 27396, 27720, 30440, 31962, 33484, 34245, 41855, 42616, 45660, 47943, 50226, 53270, 54792, 58597, 63924, 66968, 68490, 75339, 79905, 83710, 91320, 95886, 100452, 106540, 117194, 125565, 127848, 136980, 150678, 159810, 167420, 175791, 191772, 200904, 213080, 234388, 239715, 251130, 273960, 292985, 301356, 319620, 334840, 351582, 376695, 383544, 468776, 479430, 502260, 527373, 585970, 602712, 639240, 703164, 753390, 878955, 958860, 1004520, 1054746, 1171940, 1406328, 1506780, 1757910, 1917720, 2109492, 2343880, 2636865, 3013560, 3515820, 4218984, 5273730, 7031640, 10547460, 21094920]

約数ペア:

[(1, 21094920), (2, 10547460), (3, 7031640), (4, 5273730), (5, 4218984), (6, 3515820), (7, 3013560), (8, 2636865), (9, 2343880), (10, 2109492), (11, 1917720), (12, 1757910), (14, 1506780), (15, 1406328), (18, 1171940), (20, 1054746), (21, 1004520), (22, 958860), (24, 878955), (28, 753390), (30, 703164), (33, 639240), (35, 602712), (36, 585970), (40, 527373), (42, 502260), (44, 479430), (45, 468776), (55, 383544), (56, 376695), (60, 351582), (63, 334840), (66, 319620), (70, 301356), (72, 292985), (77, 273960), (84, 251130), (88, 239715), (90, 234388), (99, 213080), (105, 200904), (110, 191772), (120, 175791), (126, 167420), (132, 159810), (140, 150678), (154, 136980), (165, 127848), (168, 125565), (180, 117194), (198, 106540), (210, 100452), (220, 95886), (231, 91320), (252, 83710), (264, 79905), (280, 75339), (308, 68490), (315, 66968), (330, 63924), (360, 58597), (385, 54792), (396, 53270), (420, 50226), (440, 47943), (462, 45660), (495, 42616), (504, 41855), (616, 34245), (630, 33484), (660, 31962), (693, 30440), (761, 27720), (770, 27396), (792, 26635), (840, 25113), (924, 22830), (990, 21308), (1155, 18264), (1260, 16742), (1320, 15981), (1386, 15220), (1522, 13860), (1540, 13698), (1848, 11415), (1980, 10654), (2283, 9240), (2310, 9132), (2520, 8371), (2772, 7610), (3044, 6930), (3080, 6849), (3465, 6088), (3805, 5544), (3960, 5327), (4566, 4620)]