21016052

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{276527}}^1$

素因数の和:276550

約数の個数: 12

約数和(自身を含む): 38713920

約数和(自身を除く): 17697868

約数列:

[1, 2, 4, 19, 38, 76, 276527, 553054, 1106108, 5254013, 10508026, 21016052]

約数ペア:

[(1, 21016052), (2, 10508026), (4, 5254013), (19, 1106108), (38, 553054), (76, 276527)]