21483574

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 38117376

約数和(自身を除く): 16633802

約数列:

[1, 2, 7, 14, 43, 86, 127, 254, 281, 301, 562, 602, 889, 1778, 1967, 3934, 5461, 10922, 12083, 24166, 35687, 38227, 71374, 76454, 84581, 169162, 249809, 499618, 1534541, 3069082, 10741787, 21483574]

約数ペア:

[(1, 21483574), (2, 10741787), (7, 3069082), (14, 1534541), (43, 499618), (86, 249809), (127, 169162), (254, 84581), (281, 76454), (301, 71374), (562, 38227), (602, 35687), (889, 24166), (1778, 12083), (1967, 10922), (3934, 5461)]