21345810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1051}}^1$

素因数の和:1738

約数の個数: 32

約数和(自身を含む): 51354432

約数和(自身を除く): 30008622

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 677, 1051, 1354, 2031, 2102, 3153, 3385, 4062, 5255, 6306, 6770, 10155, 10510, 15765, 20310, 31530, 711527, 1423054, 2134581, 3557635, 4269162, 7115270, 10672905, 21345810]

約数ペア:

[(1, 21345810), (2, 10672905), (3, 7115270), (5, 4269162), (6, 3557635), (10, 2134581), (15, 1423054), (30, 711527), (677, 31530), (1051, 20310), (1354, 15765), (2031, 10510), (2102, 10155), (3153, 6770), (3385, 6306), (4062, 5255)]