21812880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90887}}^1$

素因数の和:90903

約数の個数: 40

約数和(自身を含む): 67620672

約数和(自身を除く): 45807792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90887, 181774, 272661, 363548, 454435, 545322, 727096, 908870, 1090644, 1363305, 1454192, 1817740, 2181288, 2726610, 3635480, 4362576, 5453220, 7270960, 10906440, 21812880]

約数ペア:

[(1, 21812880), (2, 10906440), (3, 7270960), (4, 5453220), (5, 4362576), (6, 3635480), (8, 2726610), (10, 2181288), (12, 1817740), (15, 1454192), (16, 1363305), (20, 1090644), (24, 908870), (30, 727096), (40, 545322), (48, 454435), (60, 363548), (80, 272661), (120, 181774), (240, 90887)]