21721074

素因数分解:

$2^1\times 3^1\times {\mathrm{421}}^1\times {\mathrm{8599}}^1$

素因数の和:9025

約数の個数: 16

約数和(自身を含む): 43550400

約数和(自身を除く): 21829326

約数列:

[1, 2, 3, 6, 421, 842, 1263, 2526, 8599, 17198, 25797, 51594, 3620179, 7240358, 10860537, 21721074]

約数ペア:

[(1, 21721074), (2, 10860537), (3, 7240358), (6, 3620179), (421, 51594), (842, 25797), (1263, 17198), (2526, 8599)]