21340272

素因数分解:

$2^4\times 3^1\times {\mathrm{444589}}^1$

素因数の和:444600

約数の個数: 20

約数和(自身を含む): 55129160

約数和(自身を除く): 33788888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 444589, 889178, 1333767, 1778356, 2667534, 3556712, 5335068, 7113424, 10670136, 21340272]

約数ペア:

[(1, 21340272), (2, 10670136), (3, 7113424), (4, 5335068), (6, 3556712), (8, 2667534), (12, 1778356), (16, 1333767), (24, 889178), (48, 444589)]