21519204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{256181}}^1$

素因数の和:256195

約数の個数: 24

約数和(自身を含む): 57384768

約数和(自身を除く): 35865564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 256181, 512362, 768543, 1024724, 1537086, 1793267, 3074172, 3586534, 5379801, 7173068, 10759602, 21519204]

約数ペア:

[(1, 21519204), (2, 10759602), (3, 7173068), (4, 5379801), (6, 3586534), (7, 3074172), (12, 1793267), (14, 1537086), (21, 1024724), (28, 768543), (42, 512362), (84, 256181)]