21416078

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{2671}}^1$

素因数の和:2903

約数の個数: 16

約数和(自身を含む): 33987840

約数和(自身を除く): 12571762

約数列:

[1, 2, 19, 38, 211, 422, 2671, 4009, 5342, 8018, 50749, 101498, 563581, 1127162, 10708039, 21416078]

約数ペア:

[(1, 21416078), (2, 10708039), (19, 1127162), (38, 563581), (211, 101498), (422, 50749), (2671, 8018), (4009, 5342)]