21033960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7621}}^1$

素因数の和:7658

約数の個数: 64

約数和(自身を含む): 65854080

約数和(自身を除く): 44820120

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, 7621, 15242, 22863, 30484, 38105, 45726, 60968, 76210, 91452, 114315, 152420, 175283, 182904, 228630, 304840, 350566, 457260, 525849, 701132, 876415, 914520, 1051698, 1402264, 1752830, 2103396, 2629245, 3505660, 4206792, 5258490, 7011320, 10516980, 21033960]

約数ペア:

[(1, 21033960), (2, 10516980), (3, 7011320), (4, 5258490), (5, 4206792), (6, 3505660), (8, 2629245), (10, 2103396), (12, 1752830), (15, 1402264), (20, 1051698), (23, 914520), (24, 876415), (30, 701132), (40, 525849), (46, 457260), (60, 350566), (69, 304840), (92, 228630), (115, 182904), (120, 175283), (138, 152420), (184, 114315), (230, 91452), (276, 76210), (345, 60968), (460, 45726), (552, 38105), (690, 30484), (920, 22863), (1380, 15242), (2760, 7621)]