21482188

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8431}}^1$

素因数の和:8462

約数の個数: 36

約数和(自身を含む): 47101152

約数和(自身を除く): 25618964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 8431, 16862, 33724, 59017, 109603, 118034, 219206, 236068, 413119, 438412, 767221, 826238, 1534442, 1652476, 3068884, 5370547, 10741094, 21482188]

約数ペア:

[(1, 21482188), (2, 10741094), (4, 5370547), (7, 3068884), (13, 1652476), (14, 1534442), (26, 826238), (28, 767221), (49, 438412), (52, 413119), (91, 236068), (98, 219206), (182, 118034), (196, 109603), (364, 59017), (637, 33724), (1274, 16862), (2548, 8431)]