21125652

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{16453}}^1$

素因数の和:16567

約数の個数: 24

約数和(自身を含む): 49756896

約数和(自身を除く): 28631244

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 16453, 32906, 49359, 65812, 98718, 197436, 1760471, 3520942, 5281413, 7041884, 10562826, 21125652]

約数ペア:

[(1, 21125652), (2, 10562826), (3, 7041884), (4, 5281413), (6, 3520942), (12, 1760471), (107, 197436), (214, 98718), (321, 65812), (428, 49359), (642, 32906), (1284, 16453)]