21791232

素因数分解:

$2^9\times 3^2\times {\mathrm{4729}}^1$

素因数の和:4753

約数の個数: 60

約数和(自身を含む): 62904270

約数和(自身を除く): 41113038

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, 4729, 9458, 14187, 18916, 28374, 37832, 42561, 56748, 75664, 85122, 113496, 151328, 170244, 226992, 302656, 340488, 453984, 605312, 680976, 907968, 1210624, 1361952, 1815936, 2421248, 2723904, 3631872, 5447808, 7263744, 10895616, 21791232]

約数ペア:

[(1, 21791232), (2, 10895616), (3, 7263744), (4, 5447808), (6, 3631872), (8, 2723904), (9, 2421248), (12, 1815936), (16, 1361952), (18, 1210624), (24, 907968), (32, 680976), (36, 605312), (48, 453984), (64, 340488), (72, 302656), (96, 226992), (128, 170244), (144, 151328), (192, 113496), (256, 85122), (288, 75664), (384, 56748), (512, 42561), (576, 37832), (768, 28374), (1152, 18916), (1536, 14187), (2304, 9458), (4608, 4729)]