21039120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29221}}^1$

素因数の和:29240

約数の個数: 60

約数和(自身を含む): 70658796

約数和(自身を除く): 49619676

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, 29221, 58442, 87663, 116884, 146105, 175326, 233768, 262989, 292210, 350652, 438315, 467536, 525978, 584420, 701304, 876630, 1051956, 1168840, 1314945, 1402608, 1753260, 2103912, 2337680, 2629890, 3506520, 4207824, 5259780, 7013040, 10519560, 21039120]

約数ペア:

[(1, 21039120), (2, 10519560), (3, 7013040), (4, 5259780), (5, 4207824), (6, 3506520), (8, 2629890), (9, 2337680), (10, 2103912), (12, 1753260), (15, 1402608), (16, 1314945), (18, 1168840), (20, 1051956), (24, 876630), (30, 701304), (36, 584420), (40, 525978), (45, 467536), (48, 438315), (60, 350652), (72, 292210), (80, 262989), (90, 233768), (120, 175326), (144, 146105), (180, 116884), (240, 87663), (360, 58442), (720, 29221)]