21378888

素因数分解:

$2^3\times 3^2\times {\mathrm{296929}}^1$

素因数の和:296941

約数の個数: 24

約数和(自身を含む): 57901350

約数和(自身を除く): 36522462

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 296929, 593858, 890787, 1187716, 1781574, 2375432, 2672361, 3563148, 5344722, 7126296, 10689444, 21378888]

約数ペア:

[(1, 21378888), (2, 10689444), (3, 7126296), (4, 5344722), (6, 3563148), (8, 2672361), (9, 2375432), (12, 1781574), (18, 1187716), (24, 890787), (36, 593858), (72, 296929)]