21784103

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:566

約数の個数: 16

約数和(自身を含む): 24732672

約数和(自身を除く): 2948569

約数列:

[1, 11, 31, 193, 331, 341, 2123, 3641, 5983, 10261, 63883, 65813, 112871, 702713, 1980373, 21784103]

約数ペア:

[(1, 21784103), (11, 1980373), (31, 702713), (193, 112871), (331, 65813), (341, 63883), (2123, 10261), (3641, 5983)]