21133485

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8861}}^1$

素因数の和:8925

約数の個数: 24

約数和(自身を含む): 37326744

約数和(自身を除く): 16193259

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 8861, 26583, 44305, 79749, 132915, 398745, 469633, 1408899, 2348165, 4226697, 7044495, 21133485]

約数ペア:

[(1, 21133485), (3, 7044495), (5, 4226697), (9, 2348165), (15, 1408899), (45, 469633), (53, 398745), (159, 132915), (265, 79749), (477, 44305), (795, 26583), (2385, 8861)]