21297284

素因数分解:

$2^2\times {\mathrm{1861}}^1\times {\mathrm{2861}}^1$

素因数の和:4726

約数の個数: 12

約数和(自身を含む): 37303308

約数和(自身を除く): 16006024

約数列:

[1, 2, 4, 1861, 2861, 3722, 5722, 7444, 11444, 5324321, 10648642, 21297284]

約数ペア:

[(1, 21297284), (2, 10648642), (4, 5324321), (1861, 11444), (2861, 7444), (3722, 5722)]