21160042

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7937}}^1$

素因数の和:8013

約数の個数: 16

約数和(自身を含む): 33530112

約数和(自身を除く): 12370070

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 7937, 15874, 246047, 341291, 492094, 682582, 10580021, 21160042]

約数ペア:

[(1, 21160042), (2, 10580021), (31, 682582), (43, 492094), (62, 341291), (86, 246047), (1333, 15874), (2666, 7937)]