21407794

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1069}}^1$

素因数の和:1138

約数の個数: 32

約数和(自身を含む): 36979200

約数和(自身を除く): 15571406

約数列:

[1, 2, 17, 19, 31, 34, 38, 62, 323, 527, 589, 646, 1054, 1069, 1178, 2138, 10013, 18173, 20026, 20311, 33139, 36346, 40622, 66278, 345287, 563363, 629641, 690574, 1126726, 1259282, 10703897, 21407794]

約数ペア:

[(1, 21407794), (2, 10703897), (17, 1259282), (19, 1126726), (31, 690574), (34, 629641), (38, 563363), (62, 345287), (323, 66278), (527, 40622), (589, 36346), (646, 33139), (1054, 20311), (1069, 20026), (1178, 18173), (2138, 10013)]