21397566

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{42967}}^1$

素因数の和:43055

約数の個数: 16

約数和(自身を含む): 43311744

約数和(自身を除く): 21914178

約数列:

[1, 2, 3, 6, 83, 166, 249, 498, 42967, 85934, 128901, 257802, 3566261, 7132522, 10698783, 21397566]

約数ペア:

[(1, 21397566), (2, 10698783), (3, 7132522), (6, 3566261), (83, 257802), (166, 128901), (249, 85934), (498, 42967)]