21104468

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68521}}^1$

素因数の和:68543

約数の個数: 24

約数和(自身を含む): 46046784

約数和(自身を除く): 24942316

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 68521, 137042, 274084, 479647, 753731, 959294, 1507462, 1918588, 3014924, 5276117, 10552234, 21104468]

約数ペア:

[(1, 21104468), (2, 10552234), (4, 5276117), (7, 3014924), (11, 1918588), (14, 1507462), (22, 959294), (28, 753731), (44, 479647), (77, 274084), (154, 137042), (308, 68521)]