21082392

素因数分解:

$2^3\times 3^2\times {\mathrm{349}}^1\times {\mathrm{839}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 57330000

約数和(自身を除く): 36247608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 349, 698, 839, 1047, 1396, 1678, 2094, 2517, 2792, 3141, 3356, 4188, 5034, 6282, 6712, 7551, 8376, 10068, 12564, 15102, 20136, 25128, 30204, 60408, 292811, 585622, 878433, 1171244, 1756866, 2342488, 2635299, 3513732, 5270598, 7027464, 10541196, 21082392]

約数ペア:

[(1, 21082392), (2, 10541196), (3, 7027464), (4, 5270598), (6, 3513732), (8, 2635299), (9, 2342488), (12, 1756866), (18, 1171244), (24, 878433), (36, 585622), (72, 292811), (349, 60408), (698, 30204), (839, 25128), (1047, 20136), (1396, 15102), (1678, 12564), (2094, 10068), (2517, 8376), (2792, 7551), (3141, 6712), (3356, 6282), (4188, 5034)]