21806902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{2213}}^1$

素因数の和:2607

約数の個数: 16

約数和(自身を含む): 35335440

約数和(自身を除く): 13528538

約数列:

[1, 2, 13, 26, 379, 758, 2213, 4426, 4927, 9854, 28769, 57538, 838727, 1677454, 10903451, 21806902]

約数ペア:

[(1, 21806902), (2, 10903451), (13, 1677454), (26, 838727), (379, 57538), (758, 28769), (2213, 9854), (4426, 4927)]