21043400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{15031}}^1$

素因数の和:15054

約数の個数: 48

約数和(自身を含む): 55919040

約数和(自身を除く): 34875640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 15031, 30062, 60124, 75155, 105217, 120248, 150310, 210434, 300620, 375775, 420868, 526085, 601240, 751550, 841736, 1052170, 1503100, 2104340, 2630425, 3006200, 4208680, 5260850, 10521700, 21043400]

約数ペア:

[(1, 21043400), (2, 10521700), (4, 5260850), (5, 4208680), (7, 3006200), (8, 2630425), (10, 2104340), (14, 1503100), (20, 1052170), (25, 841736), (28, 751550), (35, 601240), (40, 526085), (50, 420868), (56, 375775), (70, 300620), (100, 210434), (140, 150310), (175, 120248), (200, 105217), (280, 75155), (350, 60124), (700, 30062), (1400, 15031)]