21000605374

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{51725629}}^1$

素因数の和:51725667

約数の個数: 16

約数和(自身を含む): 37242453600

約数和(自身を除く): 16241848226

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 51725629, 103451258, 362079403, 724158806, 1500043241, 3000086482, 10500302687, 21000605374]

約数ペア:

[(1, 21000605374), (2, 10500302687), (7, 3000086482), (14, 1500043241), (29, 724158806), (58, 362079403), (203, 103451258), (406, 51725629)]