21554408099

素因数分解:

$7^1\times {\mathrm{421}}^1\times {\mathrm{929}}^1\times {\mathrm{7873}}^1$

素因数の和:9230

約数の個数: 16

約数和(自身を含む): 24721840320

約数和(自身を除く): 3167432221

約数列:

[1, 7, 421, 929, 2947, 6503, 7873, 55111, 391109, 2737763, 3314533, 7314017, 23201731, 51198119, 3079201157, 21554408099]

約数ペア:

[(1, 21554408099), (7, 3079201157), (421, 51198119), (929, 23201731), (2947, 7314017), (6503, 3314533), (7873, 2737763), (55111, 391109)]