21087060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12119}}^1$

素因数の和:12160

約数の個数: 48

約数和(自身を含む): 61084800

約数和(自身を除く): 39997740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 12119, 24238, 36357, 48476, 60595, 72714, 121190, 145428, 181785, 242380, 351451, 363570, 702902, 727140, 1054353, 1405804, 1757255, 2108706, 3514510, 4217412, 5271765, 7029020, 10543530, 21087060]

約数ペア:

[(1, 21087060), (2, 10543530), (3, 7029020), (4, 5271765), (5, 4217412), (6, 3514510), (10, 2108706), (12, 1757255), (15, 1405804), (20, 1054353), (29, 727140), (30, 702902), (58, 363570), (60, 351451), (87, 242380), (116, 181785), (145, 145428), (174, 121190), (290, 72714), (348, 60595), (435, 48476), (580, 36357), (870, 24238), (1740, 12119)]