2121987838

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{373721}}^1$

素因数の和:373907

約数の個数: 16

約数和(自身を含む): 3390405984

約数和(自身を除く): 1268418146

約数列:

[1, 2, 17, 34, 167, 334, 2839, 5678, 373721, 747442, 6353257, 12706514, 62411407, 124822814, 1060993919, 2121987838]

約数ペア:

[(1, 2121987838), (2, 1060993919), (17, 124822814), (34, 62411407), (167, 12706514), (334, 6353257), (2839, 747442), (5678, 373721)]