21497748

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{17393}}^1$

素因数の和:17503

約数の個数: 24

約数和(自身を含む): 50651328

約数和(自身を除く): 29153580

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236, 17393, 34786, 52179, 69572, 104358, 208716, 1791479, 3582958, 5374437, 7165916, 10748874, 21497748]

約数ペア:

[(1, 21497748), (2, 10748874), (3, 7165916), (4, 5374437), (6, 3582958), (12, 1791479), (103, 208716), (206, 104358), (309, 69572), (412, 52179), (618, 34786), (1236, 17393)]