21431808

素因数分解:

$2^9\times 3^2\times {\mathrm{4651}}^1$

素因数の和:4675

約数の個数: 60

約数和(自身を含む): 61866948

約数和(自身を除く): 40435140

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4608, 4651, 9302, 13953, 18604, 27906, 37208, 41859, 55812, 74416, 83718, 111624, 148832, 167436, 223248, 297664, 334872, 446496, 595328, 669744, 892992, 1190656, 1339488, 1785984, 2381312, 2678976, 3571968, 5357952, 7143936, 10715904, 21431808]

約数ペア:

[(1, 21431808), (2, 10715904), (3, 7143936), (4, 5357952), (6, 3571968), (8, 2678976), (9, 2381312), (12, 1785984), (16, 1339488), (18, 1190656), (24, 892992), (32, 669744), (36, 595328), (48, 446496), (64, 334872), (72, 297664), (96, 223248), (128, 167436), (144, 148832), (192, 111624), (256, 83718), (288, 74416), (384, 55812), (512, 41859), (576, 37208), (768, 27906), (1152, 18604), (1536, 13953), (2304, 9302), (4608, 4651)]