21267327

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8677}}^1$

素因数の和:8742

約数の個数: 16

約数和(自身を含む): 30546560

約数和(自身を除く): 9279233

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8677, 26031, 164863, 373111, 494589, 1119333, 7089109, 21267327]

約数ペア:

[(1, 21267327), (3, 7089109), (19, 1119333), (43, 494589), (57, 373111), (129, 164863), (817, 26031), (2451, 8677)]