21195534

素因数分解:

$2^1\times 3^1\times {\mathrm{419}}^1\times {\mathrm{8431}}^1$

素因数の和:8855

約数の個数: 16

約数和(自身を含む): 42497280

約数和(自身を除く): 21301746

約数列:

[1, 2, 3, 6, 419, 838, 1257, 2514, 8431, 16862, 25293, 50586, 3532589, 7065178, 10597767, 21195534]

約数ペア:

[(1, 21195534), (2, 10597767), (3, 7065178), (6, 3532589), (419, 50586), (838, 25293), (1257, 16862), (2514, 8431)]