21674280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7853}}^1$

素因数の和:7890

約数の個数: 64

約数和(自身を含む): 67858560

約数和(自身を除く): 46184280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7853, 15706, 23559, 31412, 39265, 47118, 62824, 78530, 94236, 117795, 157060, 180619, 188472, 235590, 314120, 361238, 471180, 541857, 722476, 903095, 942360, 1083714, 1444952, 1806190, 2167428, 2709285, 3612380, 4334856, 5418570, 7224760, 10837140, 21674280]

約数ペア:

[(1, 21674280), (2, 10837140), (3, 7224760), (4, 5418570), (5, 4334856), (6, 3612380), (8, 2709285), (10, 2167428), (12, 1806190), (15, 1444952), (20, 1083714), (23, 942360), (24, 903095), (30, 722476), (40, 541857), (46, 471180), (60, 361238), (69, 314120), (92, 235590), (115, 188472), (120, 180619), (138, 157060), (184, 117795), (230, 94236), (276, 78530), (345, 62824), (460, 47118), (552, 39265), (690, 31412), (920, 23559), (1380, 15706), (2760, 7853)]