21548204

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1009}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 39874800

約数和(自身を除く): 18326596

約数列:

[1, 2, 4, 19, 38, 76, 281, 562, 1009, 1124, 2018, 4036, 5339, 10678, 19171, 21356, 38342, 76684, 283529, 567058, 1134116, 5387051, 10774102, 21548204]

約数ペア:

[(1, 21548204), (2, 10774102), (4, 5387051), (19, 1134116), (38, 567058), (76, 283529), (281, 76684), (562, 38342), (1009, 21356), (1124, 19171), (2018, 10678), (4036, 5339)]