21607920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{30011}}^1$

素因数の和:30030

約数の個数: 60

約数和(自身を含む): 72569016

約数和(自身を除く): 50961096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 30011, 60022, 90033, 120044, 150055, 180066, 240088, 270099, 300110, 360132, 450165, 480176, 540198, 600220, 720264, 900330, 1080396, 1200440, 1350495, 1440528, 1800660, 2160792, 2400880, 2700990, 3601320, 4321584, 5401980, 7202640, 10803960, 21607920]

約数ペア:

[(1, 21607920), (2, 10803960), (3, 7202640), (4, 5401980), (5, 4321584), (6, 3601320), (8, 2700990), (9, 2400880), (10, 2160792), (12, 1800660), (15, 1440528), (16, 1350495), (18, 1200440), (20, 1080396), (24, 900330), (30, 720264), (36, 600220), (40, 540198), (45, 480176), (48, 450165), (60, 360132), (72, 300110), (80, 270099), (90, 240088), (120, 180066), (144, 150055), (180, 120044), (240, 90033), (360, 60022), (720, 30011)]