21687684

素因数分解:

$2^2\times 3^1\times {\mathrm{401}}^1\times {\mathrm{4507}}^1$

素因数の和:4915

約数の個数: 24

約数和(自身を含む): 50742048

約数和(自身を除く): 29054364

約数列:

[1, 2, 3, 4, 6, 12, 401, 802, 1203, 1604, 2406, 4507, 4812, 9014, 13521, 18028, 27042, 54084, 1807307, 3614614, 5421921, 7229228, 10843842, 21687684]

約数ペア:

[(1, 21687684), (2, 10843842), (3, 7229228), (4, 5421921), (6, 3614614), (12, 1807307), (401, 54084), (802, 27042), (1203, 18028), (1604, 13521), (2406, 9014), (4507, 4812)]