21640440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{180337}}^1$

素因数の和:180351

約数の個数: 32

約数和(自身を含む): 64921680

約数和(自身を除く): 43281240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 180337, 360674, 541011, 721348, 901685, 1082022, 1442696, 1803370, 2164044, 2705055, 3606740, 4328088, 5410110, 7213480, 10820220, 21640440]

約数ペア:

[(1, 21640440), (2, 10820220), (3, 7213480), (4, 5410110), (5, 4328088), (6, 3606740), (8, 2705055), (10, 2164044), (12, 1803370), (15, 1442696), (20, 1082022), (24, 901685), (30, 721348), (40, 541011), (60, 360674), (120, 180337)]