21342528

素因数分解:

$2^6\times 3^4\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:226

約数の個数: 140

約数和(自身を含む): 66385440

約数和(自身を除く): 45042912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 81, 92, 96, 108, 138, 144, 162, 179, 184, 192, 207, 216, 276, 288, 324, 358, 368, 414, 432, 537, 552, 576, 621, 648, 716, 736, 828, 864, 1074, 1104, 1242, 1296, 1432, 1472, 1611, 1656, 1728, 1863, 2148, 2208, 2484, 2592, 2864, 3222, 3312, 3726, 4117, 4296, 4416, 4833, 4968, 5184, 5728, 6444, 6624, 7452, 8234, 8592, 9666, 9936, 11456, 12351, 12888, 13248, 14499, 14904, 16468, 17184, 19332, 19872, 24702, 25776, 28998, 29808, 32936, 34368, 37053, 38664, 39744, 49404, 51552, 57996, 59616, 65872, 74106, 77328, 98808, 103104, 111159, 115992, 119232, 131744, 148212, 154656, 197616, 222318, 231984, 263488, 296424, 309312, 333477, 395232, 444636, 463968, 592848, 666954, 790464, 889272, 927936, 1185696, 1333908, 1778544, 2371392, 2667816, 3557088, 5335632, 7114176, 10671264, 21342528]

約数ペア:

[(1, 21342528), (2, 10671264), (3, 7114176), (4, 5335632), (6, 3557088), (8, 2667816), (9, 2371392), (12, 1778544), (16, 1333908), (18, 1185696), (23, 927936), (24, 889272), (27, 790464), (32, 666954), (36, 592848), (46, 463968), (48, 444636), (54, 395232), (64, 333477), (69, 309312), (72, 296424), (81, 263488), (92, 231984), (96, 222318), (108, 197616), (138, 154656), (144, 148212), (162, 131744), (179, 119232), (184, 115992), (192, 111159), (207, 103104), (216, 98808), (276, 77328), (288, 74106), (324, 65872), (358, 59616), (368, 57996), (414, 51552), (432, 49404), (537, 39744), (552, 38664), (576, 37053), (621, 34368), (648, 32936), (716, 29808), (736, 28998), (828, 25776), (864, 24702), (1074, 19872), (1104, 19332), (1242, 17184), (1296, 16468), (1432, 14904), (1472, 14499), (1611, 13248), (1656, 12888), (1728, 12351), (1863, 11456), (2148, 9936), (2208, 9666), (2484, 8592), (2592, 8234), (2864, 7452), (3222, 6624), (3312, 6444), (3726, 5728), (4117, 5184), (4296, 4968), (4416, 4833)]