21064080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87767}}^1$

素因数の和:87783

約数の個数: 40

約数和(自身を含む): 65299392

約数和(自身を除く): 44235312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87767, 175534, 263301, 351068, 438835, 526602, 702136, 877670, 1053204, 1316505, 1404272, 1755340, 2106408, 2633010, 3510680, 4212816, 5266020, 7021360, 10532040, 21064080]

約数ペア:

[(1, 21064080), (2, 10532040), (3, 7021360), (4, 5266020), (5, 4212816), (6, 3510680), (8, 2633010), (10, 2106408), (12, 1755340), (15, 1404272), (16, 1316505), (20, 1053204), (24, 877670), (30, 702136), (40, 526602), (48, 438835), (60, 351068), (80, 263301), (120, 175534), (240, 87767)]