21553404

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{33889}}^1$

素因数の和:33949

約数の個数: 24

約数和(自身を含む): 51241680

約数和(自身を除く): 29688276

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 33889, 67778, 101667, 135556, 203334, 406668, 1796117, 3592234, 5388351, 7184468, 10776702, 21553404]

約数ペア:

[(1, 21553404), (2, 10776702), (3, 7184468), (4, 5388351), (6, 3592234), (12, 1796117), (53, 406668), (106, 203334), (159, 135556), (212, 101667), (318, 67778), (636, 33889)]