21838421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4027}}^1$

素因数の和:4084

約数の個数: 16

約数和(自身を含む): 26101440

約数和(自身を除く): 4263019

約数列:

[1, 11, 17, 29, 187, 319, 493, 4027, 5423, 44297, 68459, 116783, 753049, 1284613, 1985311, 21838421]

約数ペア:

[(1, 21838421), (11, 1985311), (17, 1284613), (29, 753049), (187, 116783), (319, 68459), (493, 44297), (4027, 5423)]