21820440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{181837}}^1$

素因数の和:181851

約数の個数: 32

約数和(自身を含む): 65461680

約数和(自身を除く): 43641240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 181837, 363674, 545511, 727348, 909185, 1091022, 1454696, 1818370, 2182044, 2727555, 3636740, 4364088, 5455110, 7273480, 10910220, 21820440]

約数ペア:

[(1, 21820440), (2, 10910220), (3, 7273480), (4, 5455110), (5, 4364088), (6, 3636740), (8, 2727555), (10, 2182044), (12, 1818370), (15, 1454696), (20, 1091022), (24, 909185), (30, 727348), (40, 545511), (60, 363674), (120, 181837)]