21611640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{180097}}^1$

素因数の和:180111

約数の個数: 32

約数和(自身を含む): 64835280

約数和(自身を除く): 43223640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 180097, 360194, 540291, 720388, 900485, 1080582, 1440776, 1800970, 2161164, 2701455, 3601940, 4322328, 5402910, 7203880, 10805820, 21611640]

約数ペア:

[(1, 21611640), (2, 10805820), (3, 7203880), (4, 5402910), (5, 4322328), (6, 3601940), (8, 2701455), (10, 2161164), (12, 1800970), (15, 1440776), (20, 1080582), (24, 900485), (30, 720388), (40, 540291), (60, 360194), (120, 180097)]