21084437

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{823}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 24561792

約数和(自身を除く): 3477355

約数列:

[1, 11, 17, 137, 187, 823, 1507, 2329, 9053, 13991, 25619, 112751, 153901, 1240261, 1916767, 21084437]

約数ペア:

[(1, 21084437), (11, 1916767), (17, 1240261), (137, 153901), (187, 112751), (823, 25619), (1507, 13991), (2329, 9053)]