21495936

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{727}}^1$

素因数の和:762

約数の個数: 128

約数和(自身を含む): 71285760

約数和(自身を除く): 49789824

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 64, 66, 77, 84, 88, 96, 112, 128, 132, 154, 168, 176, 192, 224, 231, 264, 308, 336, 352, 384, 448, 462, 528, 616, 672, 704, 727, 896, 924, 1056, 1232, 1344, 1408, 1454, 1848, 2112, 2181, 2464, 2688, 2908, 3696, 4224, 4362, 4928, 5089, 5816, 7392, 7997, 8724, 9856, 10178, 11632, 14784, 15267, 15994, 17448, 20356, 23264, 23991, 29568, 30534, 31988, 34896, 40712, 46528, 47982, 55979, 61068, 63976, 69792, 81424, 93056, 95964, 111958, 122136, 127952, 139584, 162848, 167937, 191928, 223916, 244272, 255904, 279168, 325696, 335874, 383856, 447832, 488544, 511808, 651392, 671748, 767712, 895664, 977088, 1023616, 1343496, 1535424, 1791328, 1954176, 2686992, 3070848, 3582656, 5373984, 7165312, 10747968, 21495936]

約数ペア:

[(1, 21495936), (2, 10747968), (3, 7165312), (4, 5373984), (6, 3582656), (7, 3070848), (8, 2686992), (11, 1954176), (12, 1791328), (14, 1535424), (16, 1343496), (21, 1023616), (22, 977088), (24, 895664), (28, 767712), (32, 671748), (33, 651392), (42, 511808), (44, 488544), (48, 447832), (56, 383856), (64, 335874), (66, 325696), (77, 279168), (84, 255904), (88, 244272), (96, 223916), (112, 191928), (128, 167937), (132, 162848), (154, 139584), (168, 127952), (176, 122136), (192, 111958), (224, 95964), (231, 93056), (264, 81424), (308, 69792), (336, 63976), (352, 61068), (384, 55979), (448, 47982), (462, 46528), (528, 40712), (616, 34896), (672, 31988), (704, 30534), (727, 29568), (896, 23991), (924, 23264), (1056, 20356), (1232, 17448), (1344, 15994), (1408, 15267), (1454, 14784), (1848, 11632), (2112, 10178), (2181, 9856), (2464, 8724), (2688, 7997), (2908, 7392), (3696, 5816), (4224, 5089), (4362, 4928)]