21329315

素因数分解:

$5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{5393}}^1$

素因数の和:5518

約数の個数: 16

約数和(自身を含む): 29515968

約数和(自身を除く): 8186653

約数列:

[1, 5, 7, 35, 113, 565, 791, 3955, 5393, 26965, 37751, 188755, 609409, 3047045, 4265863, 21329315]

約数ペア:

[(1, 21329315), (5, 4265863), (7, 3047045), (35, 609409), (113, 188755), (565, 37751), (791, 26965), (3955, 5393)]