21682122

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:755

約数の個数: 64

約数和(自身を含む): 54908928

約数和(自身を除く): 33226806

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 71, 77, 142, 154, 213, 231, 426, 462, 497, 661, 781, 994, 1322, 1491, 1562, 1983, 2343, 2982, 3966, 4627, 4686, 5467, 7271, 9254, 10934, 13881, 14542, 16401, 21813, 27762, 32802, 43626, 46931, 50897, 93862, 101794, 140793, 152691, 281586, 305382, 328517, 516241, 657034, 985551, 1032482, 1548723, 1971102, 3097446, 3613687, 7227374, 10841061, 21682122]

約数ペア:

[(1, 21682122), (2, 10841061), (3, 7227374), (6, 3613687), (7, 3097446), (11, 1971102), (14, 1548723), (21, 1032482), (22, 985551), (33, 657034), (42, 516241), (66, 328517), (71, 305382), (77, 281586), (142, 152691), (154, 140793), (213, 101794), (231, 93862), (426, 50897), (462, 46931), (497, 43626), (661, 32802), (781, 27762), (994, 21813), (1322, 16401), (1491, 14542), (1562, 13881), (1983, 10934), (2343, 9254), (2982, 7271), (3966, 5467), (4627, 4686)]