21120134

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79399}}^1$

素因数の和:79427

約数の個数: 16

約数和(自身を含む): 38112000

約数和(自身を除く): 16991866

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 79399, 158798, 555793, 1111586, 1508581, 3017162, 10560067, 21120134]

約数ペア:

[(1, 21120134), (2, 10560067), (7, 3017162), (14, 1508581), (19, 1111586), (38, 555793), (133, 158798), (266, 79399)]