21456384

素因数分解:

$2^9\times 3^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:311

約数の個数: 80

約数和(自身を含む): 58351920

約数和(自身を除く): 36895536

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 128, 183, 192, 229, 244, 256, 366, 384, 458, 488, 512, 687, 732, 768, 916, 976, 1374, 1464, 1536, 1832, 1952, 2748, 2928, 3664, 3904, 5496, 5856, 7328, 7808, 10992, 11712, 13969, 14656, 15616, 21984, 23424, 27938, 29312, 31232, 41907, 43968, 46848, 55876, 58624, 83814, 87936, 93696, 111752, 117248, 167628, 175872, 223504, 335256, 351744, 447008, 670512, 894016, 1341024, 1788032, 2682048, 3576064, 5364096, 7152128, 10728192, 21456384]

約数ペア:

[(1, 21456384), (2, 10728192), (3, 7152128), (4, 5364096), (6, 3576064), (8, 2682048), (12, 1788032), (16, 1341024), (24, 894016), (32, 670512), (48, 447008), (61, 351744), (64, 335256), (96, 223504), (122, 175872), (128, 167628), (183, 117248), (192, 111752), (229, 93696), (244, 87936), (256, 83814), (366, 58624), (384, 55876), (458, 46848), (488, 43968), (512, 41907), (687, 31232), (732, 29312), (768, 27938), (916, 23424), (976, 21984), (1374, 15616), (1464, 14656), (1536, 13969), (1832, 11712), (1952, 10992), (2748, 7808), (2928, 7328), (3664, 5856), (3904, 5496)]