21810073

素因数分解:

${\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 1474727

約数列:

[1, 41, 43, 89, 139, 1763, 3649, 3827, 5699, 5977, 12371, 156907, 245057, 507211, 531953, 21810073]

約数ペア:

[(1, 21810073), (41, 531953), (43, 507211), (89, 245057), (139, 156907), (1763, 12371), (3649, 5977), (3827, 5699)]