21172742

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{1039}}^1$

素因数の和:1507

約数の個数: 16

約数和(自身を含む): 33246720

約数和(自身を除く): 12073978

約数列:

[1, 2, 23, 46, 443, 886, 1039, 2078, 10189, 20378, 23897, 47794, 460277, 920554, 10586371, 21172742]

約数ペア:

[(1, 21172742), (2, 10586371), (23, 920554), (46, 460277), (443, 47794), (886, 23897), (1039, 20378), (2078, 10189)]