21214671

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{7499}}^1$

素因数の和:7566

約数の個数: 16

約数和(自身を含む): 30240000

約数和(自身を除く): 9025329

約数列:

[1, 3, 23, 41, 69, 123, 943, 2829, 7499, 22497, 172477, 307459, 517431, 922377, 7071557, 21214671]

約数ペア:

[(1, 21214671), (3, 7071557), (23, 922377), (41, 517431), (69, 307459), (123, 172477), (943, 22497), (2829, 7499)]