21581856

素因数分解:

$2^5\times 3^3\times {\mathrm{24979}}^1$

素因数の和:24998

約数の個数: 48

約数和(自身を含む): 62949600

約数和(自身を除く): 41367744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864, 24979, 49958, 74937, 99916, 149874, 199832, 224811, 299748, 399664, 449622, 599496, 674433, 799328, 899244, 1198992, 1348866, 1798488, 2397984, 2697732, 3596976, 5395464, 7193952, 10790928, 21581856]

約数ペア:

[(1, 21581856), (2, 10790928), (3, 7193952), (4, 5395464), (6, 3596976), (8, 2697732), (9, 2397984), (12, 1798488), (16, 1348866), (18, 1198992), (24, 899244), (27, 799328), (32, 674433), (36, 599496), (48, 449622), (54, 399664), (72, 299748), (96, 224811), (108, 199832), (144, 149874), (216, 99916), (288, 74937), (432, 49958), (864, 24979)]