21489180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{358153}}^1$

素因数の和:358165

約数の個数: 24

約数和(自身を含む): 60169872

約数和(自身を除く): 38680692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 358153, 716306, 1074459, 1432612, 1790765, 2148918, 3581530, 4297836, 5372295, 7163060, 10744590, 21489180]

約数ペア:

[(1, 21489180), (2, 10744590), (3, 7163060), (4, 5372295), (5, 4297836), (6, 3581530), (10, 2148918), (12, 1790765), (15, 1432612), (20, 1074459), (30, 716306), (60, 358153)]