21504336

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:289

約数の個数: 120

約数和(自身を含む): 66495744

約数和(自身を除く): 44991408

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 41, 42, 48, 49, 56, 82, 84, 98, 112, 123, 147, 164, 168, 196, 223, 246, 287, 294, 328, 336, 392, 446, 492, 574, 588, 656, 669, 784, 861, 892, 984, 1148, 1176, 1338, 1561, 1722, 1784, 1968, 2009, 2296, 2352, 2676, 3122, 3444, 3568, 4018, 4592, 4683, 5352, 6027, 6244, 6888, 8036, 9143, 9366, 10704, 10927, 12054, 12488, 13776, 16072, 18286, 18732, 21854, 24108, 24976, 27429, 32144, 32781, 36572, 37464, 43708, 48216, 54858, 64001, 65562, 73144, 74928, 87416, 96432, 109716, 128002, 131124, 146288, 174832, 192003, 219432, 256004, 262248, 384006, 438864, 448007, 512008, 524496, 768012, 896014, 1024016, 1344021, 1536024, 1792028, 2688042, 3072048, 3584056, 5376084, 7168112, 10752168, 21504336]

約数ペア:

[(1, 21504336), (2, 10752168), (3, 7168112), (4, 5376084), (6, 3584056), (7, 3072048), (8, 2688042), (12, 1792028), (14, 1536024), (16, 1344021), (21, 1024016), (24, 896014), (28, 768012), (41, 524496), (42, 512008), (48, 448007), (49, 438864), (56, 384006), (82, 262248), (84, 256004), (98, 219432), (112, 192003), (123, 174832), (147, 146288), (164, 131124), (168, 128002), (196, 109716), (223, 96432), (246, 87416), (287, 74928), (294, 73144), (328, 65562), (336, 64001), (392, 54858), (446, 48216), (492, 43708), (574, 37464), (588, 36572), (656, 32781), (669, 32144), (784, 27429), (861, 24976), (892, 24108), (984, 21854), (1148, 18732), (1176, 18286), (1338, 16072), (1561, 13776), (1722, 12488), (1784, 12054), (1968, 10927), (2009, 10704), (2296, 9366), (2352, 9143), (2676, 8036), (3122, 6888), (3444, 6244), (3568, 6027), (4018, 5352), (4592, 4683)]