21358094471

素因数分解:

$7^3\times {\mathrm{3877}}^1\times {\mathrm{16061}}^1$

素因数の和:19959

約数の個数: 16

約数和(自身を含む): 24915374400

約数和(自身を除く): 3557279929

約数列:

[1, 7, 49, 343, 3877, 16061, 27139, 112427, 189973, 786989, 1329811, 5508923, 62268497, 435879479, 3051156353, 21358094471]

約数ペア:

[(1, 21358094471), (7, 3051156353), (49, 435879479), (343, 62268497), (3877, 5508923), (16061, 1329811), (27139, 786989), (112427, 189973)]