21033936

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{271}}^1$

素因数の和:310

約数の個数: 180

約数和(自身を含む): 74977344

約数和(自身を除く): 53943408

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 42, 44, 48, 49, 56, 63, 66, 72, 77, 84, 88, 98, 99, 112, 126, 132, 144, 147, 154, 168, 176, 196, 198, 231, 252, 264, 271, 294, 308, 336, 392, 396, 441, 462, 504, 528, 539, 542, 588, 616, 693, 784, 792, 813, 882, 924, 1008, 1078, 1084, 1176, 1232, 1386, 1584, 1617, 1626, 1764, 1848, 1897, 2156, 2168, 2352, 2439, 2772, 2981, 3234, 3252, 3528, 3696, 3794, 4312, 4336, 4851, 4878, 5544, 5691, 5962, 6468, 6504, 7056, 7588, 8624, 8943, 9702, 9756, 11088, 11382, 11924, 12936, 13008, 13279, 15176, 17073, 17886, 19404, 19512, 20867, 22764, 23848, 25872, 26558, 26829, 30352, 34146, 35772, 38808, 39024, 39837, 41734, 45528, 47696, 53116, 53658, 62601, 68292, 71544, 77616, 79674, 83468, 91056, 106232, 107316, 119511, 125202, 136584, 143088, 146069, 159348, 166936, 187803, 212464, 214632, 239022, 250404, 273168, 292138, 318696, 333872, 375606, 429264, 438207, 478044, 500808, 584276, 637392, 751212, 876414, 956088, 1001616, 1168552, 1314621, 1502424, 1752828, 1912176, 2337104, 2629242, 3004848, 3505656, 5258484, 7011312, 10516968, 21033936]

約数ペア:

[(1, 21033936), (2, 10516968), (3, 7011312), (4, 5258484), (6, 3505656), (7, 3004848), (8, 2629242), (9, 2337104), (11, 1912176), (12, 1752828), (14, 1502424), (16, 1314621), (18, 1168552), (21, 1001616), (22, 956088), (24, 876414), (28, 751212), (33, 637392), (36, 584276), (42, 500808), (44, 478044), (48, 438207), (49, 429264), (56, 375606), (63, 333872), (66, 318696), (72, 292138), (77, 273168), (84, 250404), (88, 239022), (98, 214632), (99, 212464), (112, 187803), (126, 166936), (132, 159348), (144, 146069), (147, 143088), (154, 136584), (168, 125202), (176, 119511), (196, 107316), (198, 106232), (231, 91056), (252, 83468), (264, 79674), (271, 77616), (294, 71544), (308, 68292), (336, 62601), (392, 53658), (396, 53116), (441, 47696), (462, 45528), (504, 41734), (528, 39837), (539, 39024), (542, 38808), (588, 35772), (616, 34146), (693, 30352), (784, 26829), (792, 26558), (813, 25872), (882, 23848), (924, 22764), (1008, 20867), (1078, 19512), (1084, 19404), (1176, 17886), (1232, 17073), (1386, 15176), (1584, 13279), (1617, 13008), (1626, 12936), (1764, 11924), (1848, 11382), (1897, 11088), (2156, 9756), (2168, 9702), (2352, 8943), (2439, 8624), (2772, 7588), (2981, 7056), (3234, 6504), (3252, 6468), (3528, 5962), (3696, 5691), (3794, 5544), (4312, 4878), (4336, 4851)]