21509722

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26687}}^1$

素因数の和:26733

約数の個数: 16

約数和(自身を含む): 35868672

約数和(自身を除く): 14358950

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 26687, 53374, 346931, 693862, 827297, 1654594, 10754861, 21509722]

約数ペア:

[(1, 21509722), (2, 10754861), (13, 1654594), (26, 827297), (31, 693862), (62, 346931), (403, 53374), (806, 26687)]