21814195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5009}}^1$

素因数の和:5094

約数の個数: 16

約数和(自身を含む): 28617120

約数和(自身を除く): 6802925

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 5009, 25045, 65117, 325585, 335603, 1678015, 4362839, 21814195]

約数ペア:

[(1, 21814195), (5, 4362839), (13, 1678015), (65, 335603), (67, 325585), (335, 65117), (871, 25045), (4355, 5009)]