21897228

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{16741}}^1$

素因数の和:16857

約数の個数: 24

約数和(自身を含む): 51565360

約数和(自身を除く): 29668132

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 16741, 33482, 50223, 66964, 100446, 200892, 1824769, 3649538, 5474307, 7299076, 10948614, 21897228]

約数ペア:

[(1, 21897228), (2, 10948614), (3, 7299076), (4, 5474307), (6, 3649538), (12, 1824769), (109, 200892), (218, 100446), (327, 66964), (436, 50223), (654, 33482), (1308, 16741)]