21406080

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11149}}^1$

素因数の和:11171

約数の個数: 64

約数和(自身を含む): 68238000

約数和(自身を除く): 46831920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 11149, 22298, 33447, 44596, 55745, 66894, 89192, 111490, 133788, 167235, 178384, 222980, 267576, 334470, 356768, 445960, 535152, 668940, 713536, 891920, 1070304, 1337880, 1427072, 1783840, 2140608, 2675760, 3567680, 4281216, 5351520, 7135360, 10703040, 21406080]

約数ペア:

[(1, 21406080), (2, 10703040), (3, 7135360), (4, 5351520), (5, 4281216), (6, 3567680), (8, 2675760), (10, 2140608), (12, 1783840), (15, 1427072), (16, 1337880), (20, 1070304), (24, 891920), (30, 713536), (32, 668940), (40, 535152), (48, 445960), (60, 356768), (64, 334470), (80, 267576), (96, 222980), (120, 178384), (128, 167235), (160, 133788), (192, 111490), (240, 89192), (320, 66894), (384, 55745), (480, 44596), (640, 33447), (960, 22298), (1920, 11149)]