21350754

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{461}}^1$

素因数の和:583

約数の個数: 48

約数和(自身を含む): 48432384

約数和(自身を除く): 27081630

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 83, 93, 166, 186, 249, 279, 461, 498, 558, 747, 922, 1383, 1494, 2573, 2766, 4149, 5146, 7719, 8298, 14291, 15438, 23157, 28582, 38263, 42873, 46314, 76526, 85746, 114789, 128619, 229578, 257238, 344367, 688734, 1186153, 2372306, 3558459, 7116918, 10675377, 21350754]

約数ペア:

[(1, 21350754), (2, 10675377), (3, 7116918), (6, 3558459), (9, 2372306), (18, 1186153), (31, 688734), (62, 344367), (83, 257238), (93, 229578), (166, 128619), (186, 114789), (249, 85746), (279, 76526), (461, 46314), (498, 42873), (558, 38263), (747, 28582), (922, 23157), (1383, 15438), (1494, 14291), (2573, 8298), (2766, 7719), (4149, 5146)]